Pasco weather by month & the best time to visit
🇺🇸 United States · small town · semi-arid climate
The best time to visit Pasco is September — its sunniest month (Sunshine Score 93/100), with June and May close behind. Pasco averages about 2,745 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 10 mm of rain in September.
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- Sun hours / year
- 2,745
- Sunniest month
- September
- Peak score
- 93/100
- Rain / year
- 253 mm
- Snow / year
- ≈41 cm
- Midday UV at peak
- 8 (very high)
- Population
- 69k
- Elevation
- 121 m
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When is the best time to visit Pasco?
For sunshine, the best time to visit Pasco is September, then June and May. The dullest month is January (0/100, 35 mm of rain). The full month-by-month picture is in the table below.
How sunny is Pasco?
Pasco gets a lot of sun: around 2,745 hours a year. 93 Sunshine Score points separate September (93) from January (0), so the month you pick matters. It ranks #130 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 December, carries about 41% of the annual 253 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 5° / 41°F | -2° / 28°F | 35 mm | 1 |
| February | 8 | 9° / 48°F | -1° / 30°F | 22 mm | 2 |
| March | 45 | 14° / 57°F | 2° / 36°F | 25 mm | 3 |
| April | 84 | 19° / 66°F | 6° / 43°F | 20 mm | 5 |
| May | 91 | 25° / 77°F | 11° / 52°F | 21 mm | 6 |
| June | 92 | 29° / 84°F | 14° / 57°F | 18 mm | 7 |
| July | 66 | 35° / 95°F | 18° / 64°F | 4 mm | 8 |
| August | 75 | 34° / 93°F | 18° / 64°F | 6 mm | 7 |
| September | 93 | 27° / 81°F | 13° / 55°F | 10 mm | 5 |
| October | 76 | 18° / 64°F | 7° / 45°F | 23 mm | 3 |
| November | 15 | 10° / 50°F | 1° / 34°F | 29 mm | 1 |
| December | 0 | 5° / 41°F | -2° / 28°F | 40 mm | 0 |
See Pasco on the interactive sunshine globe →
Nearby places for sunshine
- Spokane United States · 193 km · best in Jul · 2,367 h sun/yr
- Redmond United States · 274 km · best in Jul · 2,712 h sun/yr
- Seattle United States · 276 km · best in Jul · 1,896 h sun/yr
- Portland United States · 279 km · best in Jul · 2,058 h sun/yr
- Boise United States · 377 km · best in Sep · 2,989 h sun/yr
- Bellingham United States · 381 km · best in Jul · 2,005 h sun/yr
Nearest destinations
- Walla Walla United States · 67 km · 2,744 h sun/yr · best in Jul
- Pendleton United States · 67 km · 2,696 h sun/yr · best in Jul
- Yakima United States · 114 km · 2,597 h sun/yr · best in Jul
- Wenatchee United States · 151 km · 2,301 h sun/yr · best in Jul
- Lewiston United States · 162 km · 2,521 h sun/yr · best in Jul
Head-to-head
How Pasco compares month by month: Pasco vs Seattle · Pasco vs Spokane · Pasco vs Boise · Pasco vs Redmond · all comparisons
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