Sidney weather by month & the best time to visit
🇺🇸 United States · small town · semi-arid climate
The best time to visit Sidney is August — its sunniest month (Sunshine Score 88/100), with September and July close behind. Sidney averages about 2,754 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 39 mm of rain in August.
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- Sun hours / year
- 2,754
- Sunniest month
- August
- Peak score
- 88/100
- Rain / year
- 407 mm
- Snow / year
- ≈95 cm
- Midday UV at peak
- 8 (very high)
- Population
- 7k
- Elevation
- 601 m
When is the best time to visit Sidney?
For sunshine, the best time to visit Sidney is August, then September and July. The dullest month is January (0/100, 11 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sidney?
Sidney gets a lot of sun: around 2,754 hours a year. 88 Sunshine Score points separate August (88) from January (0), so the month you pick matters. It ranks #126 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 48% of the annual 407 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -1° / 30°F | -11° / 12°F | 11 mm | 1 |
| February | 0 | 0° / 32°F | -11° / 12°F | 11 mm | 2 |
| March | 0 | 8° / 46°F | -5° / 23°F | 18 mm | 3 |
| April | 44 | 14° / 57°F | 1° / 34°F | 36 mm | 4 |
| May | 82 | 21° / 70°F | 7° / 45°F | 74 mm | 6 |
| June | 82 | 27° / 81°F | 13° / 55°F | 70 mm | 7 |
| July | 86 | 32° / 90°F | 17° / 63°F | 52 mm | 8 |
| August | 88 | 30° / 86°F | 15° / 59°F | 39 mm | 6 |
| September | 88 | 23° / 73°F | 9° / 48°F | 42 mm | 4 |
| October | 45 | 14° / 57°F | 2° / 36°F | 27 mm | 2 |
| November | 0 | 6° / 43°F | -4° / 25°F | 13 mm | 1 |
| December | 0 | -1° / 30°F | -9° / 16°F | 14 mm | 1 |
See Sidney on the interactive sunshine globe →
Nearby places for sunshine
- Minot United States · 226 km · best in Sep · 2,684 h sun/yr
- Bismarck United States · 280 km · best in Sep · 2,676 h sun/yr
- Regina Canada · 305 km · best in Sep · 2,633 h sun/yr
- Billings United States · 392 km · best in Jul · 2,701 h sun/yr
- Rapid City United States · 416 km · best in Sep · 2,793 h sun/yr
- Saskatoon Canada · 528 km · best in Aug · 2,625 h sun/yr
Nearest destinations
- Williston United States · 70 km · 2,703 h sun/yr · best in Aug
- Glendive United States · 78 km · 2,753 h sun/yr · best in Aug
- Wolf Point United States · 112 km · 2,748 h sun/yr · best in Sep
- Dickinson United States · 146 km · 2,736 h sun/yr · best in Aug
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