Jamestown weather by month & the best time to visit
🇺🇸 United States · small town · hot-summer continental climate
The best time to visit Jamestown is September — its sunniest month (Sunshine Score 84/100), with August and July close behind. Jamestown averages about 2,671 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 60 mm of rain in September.
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- Sun hours / year
- 2,671
- Sunniest month
- September
- Peak score
- 84/100
- Rain / year
- 535 mm
- Snow / year
- ≈1.4 m
- Midday UV at peak
- 7 (high)
- Population
- 30k
- Elevation
- 454 m
When is the best time to visit Jamestown?
For sunshine, the best time to visit Jamestown is September, then August and July. The dullest month is January (0/100, 12 mm of rain). The full month-by-month picture is in the table below.
How sunny is Jamestown?
Jamestown gets a lot of sun: around 2,671 hours a year. 84 Sunshine Score points separate September (84) from January (0), so the month you pick matters. It ranks #154 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around June, carries about 47% of the annual 535 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -6° / 21°F | -16° / 3°F | 12 mm | 1 |
| February | 0 | -4° / 25°F | -15° / 5°F | 12 mm | 2 |
| March | 0 | 4° / 39°F | -7° / 19°F | 26 mm | 3 |
| April | 37 | 13° / 55°F | -1° / 30°F | 38 mm | 4 |
| May | 80 | 20° / 68°F | 6° / 43°F | 82 mm | 6 |
| June | 78 | 25° / 77°F | 13° / 55°F | 93 mm | 7 |
| July | 81 | 29° / 84°F | 16° / 61°F | 74 mm | 7 |
| August | 83 | 28° / 82°F | 14° / 57°F | 62 mm | 6 |
| September | 84 | 22° / 72°F | 9° / 48°F | 60 mm | 5 |
| October | 29 | 12° / 54°F | 1° / 34°F | 43 mm | 3 |
| November | 0 | 4° / 39°F | -5° / 23°F | 14 mm | 1 |
| December | 0 | -4° / 25°F | -12° / 10°F | 19 mm | 1 |
See Jamestown on the interactive sunshine globe →
Nearby places for sunshine
- Fargo United States · 141 km · best in Aug · 2,543 h sun/yr
- Bismarck United States · 158 km · best in Sep · 2,676 h sun/yr
- Minot United States · 245 km · best in Sep · 2,684 h sun/yr
- Winnipeg Canada · 348 km · best in Aug · 2,491 h sun/yr
- Sioux Falls United States · 402 km · best in Jul · 2,583 h sun/yr
- Rapid City United States · 468 km · best in Sep · 2,793 h sun/yr
Nearest destinations
- Devils Lake United States · 133 km · 2,673 h sun/yr · best in Aug
- Grand Forks United States · 160 km · 2,551 h sun/yr · best in Sep
- Thief River Falls United States · 226 km · 2,527 h sun/yr · best in Aug
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