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.
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 |
Nearest destinations
Head-to-head
How Pasco compares month by month: Pasco vs Seattle · Pasco vs Spokane · Pasco vs Boise · Pasco vs Redmond · all comparisons
Pasco: questions and answers
What kind of destination is Pasco?
Pasco is a small town in United States with a semi-arid climate.
How many hours of sunshine does Pasco get a year?
Pasco gets about 2,745 hours of sunshine a year, at its best around September.
When is the best time to visit Pasco?
The sunniest time to visit Pasco is September, when the Sunshine Score peaks at 93/100 (with June and May close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Pasco?
January is the least sunny month in Pasco, scoring 0/100 with about 35 mm of rain.
How strong is the sun in Pasco?
The typical midday UV index in Pasco peaks around 8 (very high) in July, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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