Jam weather in May
In May, Jam sees average daytime highs of 31°C and overnight lows near 27°C, with 0 mm of rain across 0.1 wet days and about 13.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 30°C in the first days to 33°C by the end. The sky is clear or mostly clear about 84% of the time in May, and the air most often feels humid.
Daylight stretches from about 13 hours at the start of May to 13 h 36 min by month's end. Set against the rest of the year, May is Jam's 6th-clearest and 1st-windiest month. For the whole year in context, see Jam's year-round climate.
- Daytime high
- 31°
- 5th warmest
- Overnight low
- 27°
- 8th coldest
- Rainfall
- 0 mm
- 0.1 wet days
- Daylight
- 13 h 24 min
- 5:16 AM – 6:38 PM
- Cloud cover
- 15%
- 6th clearest
- Wind
- 13 km/h
- 1st windiest
- Solar energy
- 7.64 kWh/m²
- Travel score
- 5.8
- out of 10
Jam is city in Bushehr Province, Iran.
- Founded
- 1996
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 30°C in the first days to 33°C by the end.
A typical May day in Jam reaches about 31°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 25 |
| 2 | 30 | 25 |
| 3 | 30 | 25 |
| 4 | 30 | 25 |
| 5 | 30 | 25 |
| 6 | 30 | 26 |
| 7 | 30 | 26 |
| 8 | 30 | 26 |
| 9 | 31 | 26 |
| 10 | 31 | 26 |
| 11 | 31 | 26 |
| 12 | 31 | 27 |
| 13 | 31 | 27 |
| 14 | 31 | 27 |
| 15 | 31 | 27 |
| 16 | 32 | 27 |
| 17 | 32 | 27 |
| 18 | 32 | 27 |
| 19 | 32 | 27 |
| 20 | 32 | 28 |
| 21 | 32 | 28 |
| 22 | 32 | 28 |
| 23 | 32 | 28 |
| 24 | 33 | 28 |
| 25 | 33 | 28 |
| 26 | 33 | 28 |
| 27 | 33 | 28 |
| 28 | 33 | 28 |
| 29 | 33 | 29 |
| 30 | 33 | 29 |
| 31 | 33 | 29 |
How May really feels in Jam
Once humidity and wind are folded in, May averages 12 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Jam weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 14° | 66 | 5.6 | 10.4 | 7.2 |
| Feb | 20° / 15° | 34 | 3.5 | 11 | 7.7 |
| Mar | 22° / 18° | 26 | 3.3 | 11.8 | 8.3 |
| Apr | 27° / 22° | 5 | 0.8 | 12.6 | 8.3 |
| May | 31° / 27° | 0 | 0.1 | 13.4 | 5.8 |
| Jun | 34° / 30° | 0 | 0 | 13.7 | 4.3 |
| Jul | 35° / 31° | 0 | 0 | 13.6 | 3.7 |
| Aug | 35° / 31° | 1 | 0.1 | 13 | 3.7 |
| Sep | 33° / 29° | 0 | 0 | 12.2 | 4.7 |
| Oct | 31° / 26° | 1 | 0.1 | 11.3 | 6.5 |
| Nov | 26° / 21° | 23 | 2.2 | 10.6 | 8.5 |
| Dec | 21° / 16° | 53 | 4.5 | 10.3 | 7.9 |
Cloud cover in May
The sky is clear or mostly clear about 84% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 6% of May, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 82 | 82 | 83 | 84 | 84 | 84 | 86 | 86 | 86 | 88 | 88 | 88 | 90 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 93 | 94 | 94 | 94 | 95 | 95 | 96 | 97 | 97 | 97 | 97 |
| Cloudier (%) | 18 | 18 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 12 | 12 | 12 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 3 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 82 | 18 |
| 2 | 82 | 18 |
| 3 | 83 | 17 |
| 4 | 84 | 16 |
| 5 | 84 | 16 |
| 6 | 84 | 16 |
| 7 | 86 | 14 |
| 8 | 86 | 14 |
| 9 | 86 | 14 |
| 10 | 88 | 12 |
| 11 | 88 | 12 |
| 12 | 88 | 12 |
| 13 | 90 | 10 |
| 14 | 90 | 10 |
| 15 | 90 | 10 |
| 16 | 91 | 9 |
| 17 | 91 | 9 |
| 18 | 91 | 9 |
| 19 | 92 | 8 |
| 20 | 92 | 8 |
| 21 | 93 | 7 |
| 22 | 94 | 6 |
| 23 | 94 | 6 |
| 24 | 94 | 6 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 96 | 4 |
| 28 | 97 | 3 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
| 31 | 97 | 3 |
Chance of precipitation in May
Jam gets around 0 mm of rain over 0.1 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
Humidity in May
Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 4 | 4 |
| Comfortable (%) | 46 | 46 | 46 | 45 | 44 | 44 | 43 | 42 | 41 | 40 | 40 | 39 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 |
| Humid (%) | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 |
| Muggy (%) | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 6 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 16 | 46 | 33 | 5 | 0 | 0 |
| 2 | 15 | 46 | 34 | 5 | 0 | 0 |
| 3 | 14 | 46 | 35 | 5 | 0 | 0 |
| 4 | 13 | 45 | 36 | 5 | 0 | 0 |
| 5 | 12 | 44 | 38 | 6 | 0 | 0 |
| 6 | 12 | 44 | 39 | 6 | 0 | 0 |
| 7 | 11 | 43 | 40 | 6 | 0 | 0 |
| 8 | 10 | 42 | 41 | 7 | 0 | 0 |
| 9 | 10 | 41 | 42 | 7 | 0 | 0 |
| 10 | 10 | 40 | 42 | 8 | 0 | 0 |
| 11 | 9 | 40 | 43 | 8 | 0 | 0 |
| 12 | 9 | 39 | 43 | 9 | 0 | 0 |
| 13 | 9 | 38 | 43 | 9 | 0 | 0 |
| 14 | 9 | 38 | 43 | 10 | 0 | 0 |
| 15 | 9 | 38 | 43 | 10 | 0 | 0 |
| 16 | 9 | 38 | 42 | 11 | 0 | 0 |
| 17 | 9 | 37 | 42 | 11 | 0 | 0 |
| 18 | 9 | 37 | 41 | 12 | 1 | 0 |
| 19 | 9 | 37 | 40 | 13 | 1 | 0 |
| 20 | 9 | 37 | 40 | 14 | 1 | 0 |
| 21 | 8 | 37 | 39 | 15 | 1 | 0 |
| 22 | 8 | 36 | 39 | 16 | 1 | 0 |
| 23 | 8 | 36 | 38 | 17 | 1 | 1 |
| 24 | 7 | 35 | 38 | 18 | 2 | 1 |
| 25 | 7 | 34 | 38 | 18 | 2 | 1 |
| 26 | 7 | 33 | 37 | 19 | 2 | 1 |
| 27 | 6 | 32 | 37 | 20 | 3 | 1 |
| 28 | 6 | 31 | 37 | 21 | 4 | 1 |
| 29 | 5 | 30 | 37 | 22 | 4 | 1 |
| 30 | 4 | 29 | 37 | 23 | 5 | 1 |
| 31 | 4 | 28 | 37 | 24 | 6 | 2 |
Wind in May
Winds average 13 km/h in May, the windiest month of the year.
Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | light breeze |
| 2 | 12 | light breeze |
| 3 | 12 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 12 | light breeze |
| 29 | 12 | light breeze |
| 30 | 12 | light breeze |
| 31 | 12 | light breeze |
Sunrise & sunset in May
Daylight runs from about 13 hours at the start of May to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over May. Sunrise moves from 5:27 AM to 5:10 AM, and sunset from 6:29 PM to 6:47 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 |
| Sunrise (AM) | 5:27 | 5:26 | 5:25 | 5:24 | 5:23 | 5:22 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:18 | 5:18 | 5:17 | 5:16 | 5:16 | 5:15 | 5:15 | 5:14 | 5:14 | 5:13 | 5:13 | 5:12 | 5:12 | 5:11 | 5:11 | 5:11 | 5:10 | 5:10 | 5:10 | 5:10 |
| Sunset (PM) | 6:29 | 6:30 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:46 | 6:46 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 5:27 | 6:29 |
| 2 | 13.1 | 5:26 | 6:30 |
| 3 | 13.1 | 5:25 | 6:30 |
| 4 | 13.1 | 5:24 | 6:31 |
| 5 | 13.1 | 5:23 | 6:32 |
| 6 | 13.2 | 5:22 | 6:32 |
| 7 | 13.2 | 5:22 | 6:33 |
| 8 | 13.2 | 5:21 | 6:33 |
| 9 | 13.2 | 5:20 | 6:34 |
| 10 | 13.3 | 5:20 | 6:35 |
| 11 | 13.3 | 5:19 | 6:35 |
| 12 | 13.3 | 5:18 | 6:36 |
| 13 | 13.3 | 5:18 | 6:36 |
| 14 | 13.3 | 5:17 | 6:37 |
| 15 | 13.4 | 5:16 | 6:38 |
| 16 | 13.4 | 5:16 | 6:38 |
| 17 | 13.4 | 5:15 | 6:39 |
| 18 | 13.4 | 5:15 | 6:39 |
| 19 | 13.4 | 5:14 | 6:40 |
| 20 | 13.4 | 5:14 | 6:41 |
| 21 | 13.5 | 5:13 | 6:41 |
| 22 | 13.5 | 5:13 | 6:42 |
| 23 | 13.5 | 5:12 | 6:42 |
| 24 | 13.5 | 5:12 | 6:43 |
| 25 | 13.5 | 5:11 | 6:43 |
| 26 | 13.5 | 5:11 | 6:44 |
| 27 | 13.6 | 5:11 | 6:44 |
| 28 | 13.6 | 5:10 | 6:45 |
| 29 | 13.6 | 5:10 | 6:46 |
| 30 | 13.6 | 5:10 | 6:46 |
| 31 | 13.6 | 5:10 | 6:47 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.64 kWh/m².
For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 7.68 kWh/m² in June across the year — May's 7.64 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.3 | Intense |
| 2 | 7.3 | Intense |
| 3 | 7.4 | Intense |
| 4 | 7.4 | Intense |
| 5 | 7.4 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.5 | Intense |
| 8 | 7.5 | Intense |
| 9 | 7.5 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.6 | Intense |
| 14 | 7.6 | Intense |
| 15 | 7.6 | Intense |
| 16 | 7.7 | Intense |
| 17 | 7.7 | Intense |
| 18 | 7.7 | Intense |
| 19 | 7.7 | Intense |
| 20 | 7.7 | Intense |
| 21 | 7.7 | Intense |
| 22 | 7.7 | Intense |
| 23 | 7.8 | Intense |
| 24 | 7.8 | Intense |
| 25 | 7.8 | Intense |
| 26 | 7.8 | Intense |
| 27 | 7.8 | Intense |
| 28 | 7.8 | Intense |
| 29 | 7.8 | Intense |
| 30 | 7.8 | Intense |
| 31 | 7.8 | Intense |
Hazard calendar for Jam
In May, Jam sits inside its dust season. The full year is below, with each hazard's peak months called out.
Jam sees seasonal dust haze (March–May), heaviest in April.
Is May a good time to visit Jam?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Jam for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Jam in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Jam sees daytime highs around 31°C and nights near 27°C. Pack light clothes and sun protection.
Sea temperature near Jam in May
The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in August at about 34°C and coldest in February near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 22 | 22 | 24 | 27 | 30 | 32 | 34 | 33 | 31 | 28 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 24 | Refreshing |
| May | 27 | Warm |
| Jun | 30 | Tropical |
| Jul | 32 | Tropical |
| Aug | 34 | Tropical |
| Sep | 33 | Tropical |
| Oct | 31 | Tropical |
| Nov | 28 | Tropical |
| Dec | 25 | Warm |
UV index in Jam in May
Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jam peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 7 | 8 | 6 | 9 | 11 | 10 | 10 | 7 | 7 | 5 | 4 |
| Level | Moderate | Very high | Very high | High | Very high | Extreme | Extreme | Very high | High | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 7 | Very high |
| Mar | 8 | Very high |
| Apr | 6 | High |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 7 | High |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Jam in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Jam is worst in July — around 56 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (November, 26 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 30 | 32 | 37 | 41 | 45 | 42 | 56 | 46 | 39 | 34 | 26 | 27 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 32 | Moderate |
| Mar | 37 | Poor |
| Apr | 41 | Poor |
| May | 45 | Poor |
| Jun | 42 | Poor |
| Jul | 56 | Unhealthy |
| Aug | 46 | Poor |
| Sep | 39 | Poor |
| Oct | 34 | Moderate |
| Nov | 26 | Moderate |
| Dec | 27 | Moderate |
Where is Jam?
Jam sits at 27.8°N, 52.3°E, 622 m above sea level, in Iran. The nearest listed city is Makū, 10 km away.
Topography around Jam
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jam.
Within 3 km, the terrain around Jam has only modest variations in elevation — a maximum elevation change of 166 m around an average of 652 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,093 m.
The land around Jam is covered by bare terrain (44%) and artificial surfaces (32%) within 3 km, bare terrain (79%) within 16 km, and bare terrain (64%) and water (25%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jam (27.8298°, 52.3252°, elevation 622 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).