Arizona weather in May
In May, Arizona sees average daytime highs of 29°C and overnight lows near 25°C, with 105 mm of rain across 16 wet days and about 12.7 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Arizona's 6th-clearest and 6th-windiest month. For the whole year in context, see Arizona's year-round climate.
- Daytime high
- 29°
- 2nd warmest
- Overnight low
- 25°
- 11th coldest
- Rainfall
- 105 mm
- 16 wet days
- Daylight
- 12 h 42 min
- 5:24 AM – 6:07 PM
- Cloud cover
- 59%
- 6th clearest
- Wind
- 10 km/h
- 6th windiest
- Solar energy
- 6.33 kWh/m²
- Travel score
- 4.9
- out of 10
Arizona is human settlement in Honduras.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 29°C through the month.
A typical May day in Arizona reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, May runs on par with April and on par with 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) | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 24 |
| 2 | 29 | 24 |
| 3 | 29 | 24 |
| 4 | 29 | 24 |
| 5 | 29 | 24 |
| 6 | 29 | 24 |
| 7 | 29 | 24 |
| 8 | 29 | 24 |
| 9 | 29 | 24 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
| 31 | 29 | 25 |
How May really feels in Arizona
Once humidity and wind are folded in, May averages 31 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.
Arizona weather by month
How May compares with the rest of the year at a glance. May is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 21° | 214 | 16 | 11.2 | 6.2 |
| Feb | 26° / 22° | 113 | 9.9 | 11.5 | 6.9 |
| Mar | 27° / 22° | 93 | 8 | 11.9 | 7.3 |
| Apr | 28° / 24° | 51 | 7.8 | 12.3 | 6.7 |
| May | 29° / 25° | 105 | 16 | 12.7 | 4.9 |
| Jun | 29° / 25° | 144 | 23.4 | 12.9 | 3.7 |
| Jul | 28° / 25° | 130 | 23.6 | 12.8 | 4.0 |
| Aug | 29° / 25° | 138 | 25.7 | 12.5 | 3.7 |
| Sep | 29° / 25° | 194 | 27.2 | 12.1 | 3.4 |
| Oct | 28° / 24° | 319 | 25.4 | 11.6 | 4.0 |
| Nov | 26° / 23° | 376 | 22 | 11.3 | 4.8 |
| Dec | 25° / 22° | 213 | 17.8 | 11.1 | 5.7 |
Cloud cover in May
The sky is clear or mostly clear about 30% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over 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 (%) | 65 | 65 | 64 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 55 | 54 | 53 | 51 | 50 | 48 | 47 | 45 | 43 | 42 | 40 | 39 | 37 | 36 | 34 | 33 | 33 | 32 | 31 | 29 |
| Cloudier (%) | 35 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 45 | 46 | 47 | 49 | 50 | 52 | 53 | 55 | 57 | 58 | 60 | 61 | 63 | 64 | 66 | 67 | 67 | 68 | 69 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 64 | 36 |
| 4 | 64 | 36 |
| 5 | 63 | 37 |
| 6 | 62 | 38 |
| 7 | 62 | 38 |
| 8 | 61 | 39 |
| 9 | 60 | 40 |
| 10 | 59 | 41 |
| 11 | 58 | 42 |
| 12 | 55 | 45 |
| 13 | 54 | 46 |
| 14 | 53 | 47 |
| 15 | 51 | 49 |
| 16 | 50 | 50 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 45 | 55 |
| 20 | 43 | 57 |
| 21 | 42 | 58 |
| 22 | 40 | 60 |
| 23 | 39 | 61 |
| 24 | 37 | 63 |
| 25 | 36 | 64 |
| 26 | 34 | 66 |
| 27 | 33 | 67 |
| 28 | 33 | 67 |
| 29 | 32 | 68 |
| 30 | 31 | 69 |
| 31 | 29 | 71 |
Chance of precipitation in May
Arizona gets around 105 mm of rain over 16 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 52% and peaks near 72% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 43 | 44 | 45 | 46 | 47 | 49 | 50 | 51 | 53 | 54 | 56 | 57 | 58 | 60 | 61 | 62 | 64 | 65 | 67 | 68 | 69 | 71 | 72 |
| Rain chance (%) | |
|---|---|
| 1 | 33 |
| 2 | 34 |
| 3 | 35 |
| 4 | 36 |
| 5 | 38 |
| 6 | 39 |
| 7 | 40 |
| 8 | 41 |
| 9 | 43 |
| 10 | 44 |
| 11 | 45 |
| 12 | 46 |
| 13 | 47 |
| 14 | 49 |
| 15 | 50 |
| 16 | 51 |
| 17 | 53 |
| 18 | 54 |
| 19 | 56 |
| 20 | 57 |
| 21 | 58 |
| 22 | 60 |
| 23 | 61 |
| 24 | 62 |
| 25 | 64 |
| 26 | 65 |
| 27 | 67 |
| 28 | 68 |
| 29 | 69 |
| 30 | 71 |
| 31 | 72 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 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 | 0 | 0 | 0 | 0 |
| Muggy (%) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Oppressive (%) | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 63 | 62 | 61 | 61 | 59 | 57 | 56 | 54 | 52 | 52 | 50 | 49 |
| Miserable (%) | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 38 | 40 | 42 | 43 | 45 | 47 | 48 | 50 | 51 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 1 | 6 | 64 | 29 |
| 2 | 1 | 5 | 64 | 30 |
| 3 | 1 | 5 | 63 | 31 |
| 4 | 1 | 5 | 63 | 31 |
| 5 | 1 | 4 | 63 | 32 |
| 6 | 1 | 4 | 63 | 32 |
| 7 | 1 | 4 | 63 | 32 |
| 8 | 1 | 4 | 64 | 31 |
| 9 | 0 | 4 | 65 | 31 |
| 10 | 0 | 4 | 65 | 31 |
| 11 | 0 | 3 | 66 | 31 |
| 12 | 0 | 3 | 66 | 31 |
| 13 | 0 | 3 | 66 | 31 |
| 14 | 0 | 3 | 66 | 31 |
| 15 | 0 | 3 | 66 | 31 |
| 16 | 0 | 3 | 65 | 32 |
| 17 | 0 | 2 | 65 | 33 |
| 18 | 0 | 2 | 65 | 33 |
| 19 | 0 | 2 | 64 | 34 |
| 20 | 0 | 2 | 63 | 35 |
| 21 | 0 | 2 | 62 | 36 |
| 22 | 0 | 2 | 61 | 37 |
| 23 | 0 | 1 | 61 | 38 |
| 24 | 0 | 1 | 59 | 40 |
| 25 | 0 | 1 | 57 | 42 |
| 26 | 0 | 1 | 56 | 43 |
| 27 | 0 | 1 | 54 | 45 |
| 28 | 0 | 1 | 52 | 47 |
| 29 | 0 | 0 | 52 | 48 |
| 30 | 0 | 0 | 50 | 50 |
| 31 | 0 | 0 | 49 | 51 |
Wind in May
Winds average 10 km/h in May.
Across May, daily wind ranges from about 9 km/h on the calmest days to 11 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) | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over May. Sunrise moves from 5:30 AM to 5:21 AM, and sunset from 6:03 PM to 6:12 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) | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 |
| Sunrise (AM) | 5:30 | 5:29 | 5:29 | 5:28 | 5:28 | 5:27 | 5:27 | 5:27 | 5:26 | 5:26 | 5:25 | 5:25 | 5:25 | 5:24 | 5:24 | 5:24 | 5:23 | 5:23 | 5:23 | 5:23 | 5:22 | 5:22 | 5:22 | 5:22 | 5:22 | 5:22 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 |
| Sunset (PM) | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:30 | 6:03 |
| 2 | 12.6 | 5:29 | 6:03 |
| 3 | 12.6 | 5:29 | 6:04 |
| 4 | 12.6 | 5:28 | 6:04 |
| 5 | 12.6 | 5:28 | 6:04 |
| 6 | 12.6 | 5:27 | 6:04 |
| 7 | 12.6 | 5:27 | 6:05 |
| 8 | 12.6 | 5:27 | 6:05 |
| 9 | 12.6 | 5:26 | 6:05 |
| 10 | 12.7 | 5:26 | 6:05 |
| 11 | 12.7 | 5:25 | 6:06 |
| 12 | 12.7 | 5:25 | 6:06 |
| 13 | 12.7 | 5:25 | 6:06 |
| 14 | 12.7 | 5:24 | 6:07 |
| 15 | 12.7 | 5:24 | 6:07 |
| 16 | 12.7 | 5:24 | 6:07 |
| 17 | 12.7 | 5:23 | 6:08 |
| 18 | 12.7 | 5:23 | 6:08 |
| 19 | 12.8 | 5:23 | 6:08 |
| 20 | 12.8 | 5:23 | 6:09 |
| 21 | 12.8 | 5:22 | 6:09 |
| 22 | 12.8 | 5:22 | 6:09 |
| 23 | 12.8 | 5:22 | 6:10 |
| 24 | 12.8 | 5:22 | 6:10 |
| 25 | 12.8 | 5:22 | 6:10 |
| 26 | 12.8 | 5:22 | 6:11 |
| 27 | 12.8 | 5:21 | 6:11 |
| 28 | 12.8 | 5:21 | 6:11 |
| 29 | 12.8 | 5:21 | 6:12 |
| 30 | 12.8 | 5:21 | 6:12 |
| 31 | 12.9 | 5:21 | 6:12 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.33 kWh/m².
For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 6.64 kWh/m² in April across the year — May's 6.33 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) | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.6 | Intense |
| 2 | 6.6 | Intense |
| 3 | 6.6 | Intense |
| 4 | 6.6 | Intense |
| 5 | 6.6 | Intense |
| 6 | 6.6 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Bright |
Hazard calendar for Arizona
None of Arizona's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Arizona sits in the Atlantic hurricane belt; the season peaks August–October.
Arizona's rainy season runs September–January, when most of the year's rain falls.
Is May a good time to visit Arizona?
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 Arizona for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arizona in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Arizona sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.
Sea temperature near Arizona in May
The nearest coast averages about 29°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 28 km away) is warmest in September at about 30°C and coldest in January near 27°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) | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Arizona in May
Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arizona peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
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) | 9 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Arizona 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 Arizona is worst in April — around 36 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (December, 7 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) | 7 | 8 | 12 | 36 | 29 | 25 | 28 | 20 | 15 | 12 | 8 | 7 |
| Level | Good | Good | Good | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 12 | Good |
| Apr | 36 | Poor |
| May | 29 | Moderate |
| Jun | 25 | Moderate |
| Jul | 28 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Arizona?
Arizona sits at 15.6°N, 87.3°W, 72 m above sea level, in Honduras. The nearest listed city is Tela, 22 km away.
Topography around Arizona
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arizona.
Within 3 km, the terrain around Arizona has only modest variations in elevation — a maximum elevation change of 165 m around an average of 59 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,401 m.
The land around Arizona is covered by trees (74%) and grassland (21%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (51%) and water (32%) within 80 km.
Honduras travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $3,598
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 66%
- of population, 2024
- Homicide rate
- 31.4
- per 100k, 2023
- Road deaths
- 16.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 553
- 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 Arizona (15.6333°, -87.3167°, elevation 72 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).