Jamestown weather in May
In May, Jamestown sees average daytime highs of 65°F and overnight lows near 47°F, with 4.7 in of precipitation across 14.8 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.
Highs climb over the month, from about 61°F in the first days to 69°F by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Jamestown's 6th-clearest and 8th-windiest month. For the whole year in context, see Jamestown's year-round climate.
- Daytime high
- 65°
- 5th warmest
- Overnight low
- 47°
- 8th coldest
- Precipitation
- 4.7 in
- 14.8 wet days
- Daylight
- 14 h 24 min
- 5:02 AM – 7:25 PM
- Cloud cover
- 65%
- 6th clearest
- Wind
- 7 mph
- 8th windiest
- Solar energy
- 5.71 kWh/m²
- Travel score
- 5.2
- out of 10
Jamestown is city in Chautauqua County, New York, United States.
- Density
- 1,281/km²
- people per km²
- Founded
- 1810
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 61°F in the first days to 69°F by the end.
A typical May day in Jamestown reaches about 65°F in the afternoon and slips back to 47°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 79°F. Set against its neighbours, May runs about 10°F warmer than April and about 8°F 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 (°F) | 61 | 61 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 69 | 69 |
| Avg low (°F) | 42 | 43 | 43 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 50 | 51 | 51 | 51 | 52 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 61 | 42 |
| 2 | 61 | 43 |
| 3 | 62 | 43 |
| 4 | 62 | 43 |
| 5 | 62 | 44 |
| 6 | 62 | 44 |
| 7 | 63 | 44 |
| 8 | 63 | 45 |
| 9 | 63 | 45 |
| 10 | 64 | 45 |
| 11 | 64 | 45 |
| 12 | 64 | 46 |
| 13 | 64 | 46 |
| 14 | 64 | 46 |
| 15 | 65 | 46 |
| 16 | 65 | 47 |
| 17 | 65 | 47 |
| 18 | 66 | 47 |
| 19 | 66 | 48 |
| 20 | 66 | 48 |
| 21 | 67 | 48 |
| 22 | 67 | 49 |
| 23 | 67 | 49 |
| 24 | 67 | 49 |
| 25 | 68 | 50 |
| 26 | 68 | 50 |
| 27 | 68 | 50 |
| 28 | 69 | 51 |
| 29 | 69 | 51 |
| 30 | 69 | 51 |
| 31 | 69 | 52 |
How May really feels in Jamestown
Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Jamestown weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 31° / 17° | 3.7 | 15.3 | 13.9 | 9.3 | 0.0 |
| Feb | 33° / 18° | 2.9 | 12 | 10.4 | 10.3 | 0.0 |
| Mar | 42° / 25° | 3.7 | 13.6 | 7.7 | 11.7 | 0.5 |
| Apr | 55° / 37° | 4.6 | 14.1 | 3.3 | 13.1 | 3.2 |
| May | 65° / 47° | 4.7 | 14.8 | 0.1 | 14.4 | 5.2 |
| Jun | 73° / 56° | 5.0 | 14.4 | 0 | 15 | 6.0 |
| Jul | 77° / 60° | 4.5 | 14.4 | 0 | 14.8 | 6.2 |
| Aug | 75° / 58° | 4.3 | 13.2 | 0 | 13.7 | 6.5 |
| Sep | 69° / 51° | 3.8 | 11 | 0 | 12.3 | 6.2 |
| Oct | 57° / 41° | 4.1 | 13.6 | 1.1 | 10.8 | 3.8 |
| Nov | 45° / 32° | 3.8 | 13.9 | 6.7 | 9.6 | 1.0 |
| Dec | 35° / 23° | 3.9 | 15.5 | 12.5 | 9 | 0.0 |
Cloud cover in May
The sky is clear or mostly clear about 23% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 62%.
| 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 (%) | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 37 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 40 | 40 | 41 | 41 | 41 | 42 | 41 | 42 | 43 |
| Cloudier (%) | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 63 | 64 | 64 | 64 | 64 | 63 | 63 | 62 | 60 | 60 | 59 | 59 | 59 | 58 | 59 | 58 | 57 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 39 | 61 |
| 3 | 39 | 61 |
| 4 | 39 | 61 |
| 5 | 39 | 61 |
| 6 | 38 | 62 |
| 7 | 38 | 62 |
| 8 | 37 | 63 |
| 9 | 37 | 63 |
| 10 | 37 | 63 |
| 11 | 37 | 63 |
| 12 | 36 | 64 |
| 13 | 36 | 64 |
| 14 | 36 | 64 |
| 15 | 37 | 63 |
| 16 | 36 | 64 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 36 | 64 |
| 20 | 37 | 63 |
| 21 | 37 | 63 |
| 22 | 38 | 62 |
| 23 | 40 | 60 |
| 24 | 40 | 60 |
| 25 | 41 | 59 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 42 | 58 |
| 29 | 41 | 59 |
| 30 | 42 | 58 |
| 31 | 43 | 57 |
Chance of precipitation in May
Jamestown gets around 4.7 in of rain and snow over 14.8 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 48% and peaks near 50% on the wettest days, and about 0 day brings snow.
| 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 (%) | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 47 | 47 |
| Snow chance (%) | 2 | 1 | 1 | 1 | 1 | 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 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 47 | 2 |
| 2 | 47 | 1 |
| 3 | 48 | 1 |
| 4 | 48 | 1 |
| 5 | 49 | 1 |
| 6 | 49 | 1 |
| 7 | 50 | 1 |
| 8 | 50 | 1 |
| 9 | 50 | 1 |
| 10 | 50 | 1 |
| 11 | 50 | 1 |
| 12 | 50 | 1 |
| 13 | 49 | 1 |
| 14 | 49 | 1 |
| 15 | 49 | 1 |
| 16 | 48 | 1 |
| 17 | 48 | 1 |
| 18 | 47 | 0 |
| 19 | 47 | 0 |
| 20 | 46 | 0 |
| 21 | 46 | 0 |
| 22 | 45 | 0 |
| 23 | 45 | 0 |
| 24 | 45 | 0 |
| 25 | 45 | 0 |
| 26 | 46 | 0 |
| 27 | 46 | 0 |
| 28 | 46 | 0 |
| 29 | 46 | 0 |
| 30 | 47 | 0 |
| 31 | 47 | 0 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 92 | 92 | 92 | 90 | 90 | 89 | 88 | 88 | 87 | 86 | 86 | 86 | 84 | 84 | 83 | 82 | 81 | 79 | 78 | 77 | 76 | 73 | 72 | 71 | 69 | 67 | 67 | 65 | 65 | 63 | 63 |
| Comfortable (%) | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 |
| Humid (%) | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 15 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 92 | 6 | 2 | 0 |
| 2 | 92 | 6 | 2 | 0 |
| 3 | 92 | 6 | 2 | 0 |
| 4 | 90 | 7 | 3 | 0 |
| 5 | 90 | 7 | 3 | 0 |
| 6 | 89 | 8 | 3 | 0 |
| 7 | 88 | 8 | 4 | 0 |
| 8 | 88 | 8 | 4 | 0 |
| 9 | 87 | 9 | 4 | 0 |
| 10 | 86 | 9 | 5 | 0 |
| 11 | 86 | 9 | 5 | 0 |
| 12 | 86 | 9 | 5 | 0 |
| 13 | 84 | 10 | 6 | 0 |
| 14 | 84 | 10 | 6 | 0 |
| 15 | 83 | 10 | 7 | 0 |
| 16 | 82 | 11 | 7 | 0 |
| 17 | 81 | 12 | 7 | 0 |
| 18 | 79 | 12 | 8 | 1 |
| 19 | 78 | 13 | 8 | 1 |
| 20 | 77 | 13 | 9 | 1 |
| 21 | 76 | 14 | 9 | 1 |
| 22 | 73 | 15 | 10 | 2 |
| 23 | 72 | 15 | 11 | 2 |
| 24 | 71 | 16 | 11 | 2 |
| 25 | 69 | 16 | 12 | 3 |
| 26 | 67 | 17 | 13 | 3 |
| 27 | 67 | 17 | 13 | 3 |
| 28 | 65 | 18 | 14 | 3 |
| 29 | 65 | 18 | 14 | 3 |
| 30 | 63 | 18 | 15 | 4 |
| 31 | 63 | 18 | 15 | 4 |
Wind in May
Winds average 7 mph in May.
Across May, daily wind ranges from about 7 mph on the calmest days to 7 mph 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 (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | light breeze | light breeze | 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 (mph) | Feels | |
|---|---|---|
| 1 | 7 | light breeze |
| 2 | 7 | light breeze |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over May. Sunrise moves from 5:20 AM to 4:50 AM, and sunset from 7:08 PM to 7:39 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) | 13.8 | 13.8 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 |
| Sunrise (AM) | 5:20 | 5:19 | 5:17 | 5:16 | 5:15 | 5:13 | 5:12 | 5:11 | 5:10 | 5:08 | 5:07 | 5:06 | 5:05 | 5:04 | 5:03 | 5:02 | 5:01 | 5:00 | 4:59 | 4:58 | 4:57 | 4:56 | 4:55 | 4:55 | 4:54 | 4:53 | 4:52 | 4:52 | 4:51 | 4:51 | 4:50 |
| Sunset (PM) | 7:08 | 7:09 | 7:10 | 7:12 | 7:13 | 7:14 | 7:15 | 7:16 | 7:17 | 7:18 | 7:19 | 7:20 | 7:21 | 7:22 | 7:23 | 7:25 | 7:26 | 7:27 | 7:28 | 7:29 | 7:30 | 7:31 | 7:32 | 7:32 | 7:33 | 7:34 | 7:35 | 7:36 | 7:37 | 7:38 | 7:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.8 | 5:20 | 7:08 |
| 2 | 13.8 | 5:19 | 7:09 |
| 3 | 13.9 | 5:17 | 7:10 |
| 4 | 13.9 | 5:16 | 7:12 |
| 5 | 14.0 | 5:15 | 7:13 |
| 6 | 14.0 | 5:13 | 7:14 |
| 7 | 14.0 | 5:12 | 7:15 |
| 8 | 14.1 | 5:11 | 7:16 |
| 9 | 14.1 | 5:10 | 7:17 |
| 10 | 14.2 | 5:08 | 7:18 |
| 11 | 14.2 | 5:07 | 7:19 |
| 12 | 14.2 | 5:06 | 7:20 |
| 13 | 14.3 | 5:05 | 7:21 |
| 14 | 14.3 | 5:04 | 7:22 |
| 15 | 14.3 | 5:03 | 7:23 |
| 16 | 14.4 | 5:02 | 7:25 |
| 17 | 14.4 | 5:01 | 7:26 |
| 18 | 14.4 | 5:00 | 7:27 |
| 19 | 14.5 | 4:59 | 7:28 |
| 20 | 14.5 | 4:58 | 7:29 |
| 21 | 14.5 | 4:57 | 7:30 |
| 22 | 14.6 | 4:56 | 7:31 |
| 23 | 14.6 | 4:55 | 7:32 |
| 24 | 14.6 | 4:55 | 7:32 |
| 25 | 14.7 | 4:54 | 7:33 |
| 26 | 14.7 | 4:53 | 7:34 |
| 27 | 14.7 | 4:52 | 7:35 |
| 28 | 14.7 | 4:52 | 7:36 |
| 29 | 14.8 | 4:51 | 7:37 |
| 30 | 14.8 | 4:51 | 7:38 |
| 31 | 14.8 | 4:50 | 7:39 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.71 kWh/m².
For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.11 kWh/m² in June across the year — May's 5.71 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) | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Bright |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Bright |
| 31 | 6.0 | Bright |
Is May a good time to visit Jamestown?
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 Jamestown for sightseeing.
What to pack for Jamestown in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Jamestown sees daytime highs around 65°F and nights near 47°F. Pack rain gear. Worth having: sun protection. About 15 days see rain.
Sea temperature near Jamestown in May
The nearest coast averages about 48°F 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 mi away) is warmest in August at about 73°F and coldest in February near 34°F.
It's comfortable for a long swim from Jul 6 to Sep 21 — about 2.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 37 | 34 | 34 | 38 | 48 | 62 | 71 | 73 | 70 | 60 | 51 | 44 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 37 | Bracing |
| Feb | 34 | Bracing |
| Mar | 34 | Bracing |
| Apr | 38 | Bracing |
| May | 48 | Bracing |
| Jun | 62 | Cool |
| Jul | 71 | Refreshing |
| Aug | 73 | Refreshing |
| Sep | 70 | Refreshing |
| Oct | 60 | Cool |
| Nov | 51 | Bracing |
| Dec | 44 | Bracing |
UV index in Jamestown in May
Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jamestown peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 6 | 8 | 9 | 9 | 7 | 6 | 3 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Jamestown?
Jamestown sits at 42.1°N, 79.2°W, 1,378 ft above sea level, in United States. The nearest listed city is Erie, 43 mi away.
Topography around Jamestown
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Jamestown.
Within 2 miles, the terrain around Jamestown has only modest variations in elevation — a maximum elevation change of 390 ft around an average of 1,437 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,030 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,900 ft.
The land around Jamestown is covered by trees (58%), grassland (21%) and artificial surfaces (20%) within 2 miles, trees (68%) and grassland (23%) within 10 miles, and trees (68%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Jamestown (42.097°, -79.2353°, elevation 1,378 ft), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).