Westerly weather by month & the best time to visit
United States · seaside town · humid subtropical climate
The best time to visit Westerly is July — its sunniest month (Sunshine Score 76/100), with August and September close behind. Westerly averages about 2,279 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 88 mm of rain in July.
When is the best time to visit Westerly?
For sunshine, the best time to visit Westerly is July, then August and September. The dullest month is January (0/100, 82 mm of rain). The full month-by-month picture is in the table below.
How sunny is Westerly?
Westerly gets a moderate 2,279 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #290 of 580 destinations in United States for annual sunshine, right at the national median of 2,279 hours. The year's 1,179 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 2° / 36°F | -5° / 23°F | 82 mm | 1 | 7° / 45°F |
| February | 0 | 3° / 37°F | -5° / 23°F | 83 mm | 2 | 5° / 41°F |
| March | 0 | 7° / 45°F | -1° / 30°F | 108 mm | 3 | 5° / 41°F |
| April | 30 | 13° / 55°F | 3° / 37°F | 107 mm | 5 | 8° / 46°F |
| May | 70 | 19° / 66°F | 9° / 48°F | 88 mm | 6 | 12° / 54°F |
| June | 73 | 24° / 75°F | 15° / 59°F | 104 mm | 7 | 16° / 61°F |
| July | 76 | 28° / 82°F | 18° / 64°F | 88 mm | 7 | 21° / 70°F |
| August | 76 | 27° / 81°F | 18° / 64°F | 87 mm | 6 | 21° / 70°F |
| September | 74 | 24° / 75°F | 15° / 59°F | 100 mm | 5 | 21° / 70°F |
| October | 52 | 17° / 63°F | 9° / 48°F | 121 mm | 3 | 17° / 63°F |
| November | 19 | 11° / 52°F | 3° / 37°F | 96 mm | 2 | 14° / 57°F |
| December | 0 | 6° / 43°F | -1° / 30°F | 115 mm | 1 | 9° / 48°F |
Sea temperature in Westerly by month
The sea off Westerly is warmest in July at around 21°C / 70°F, and coolest in February at 5°C / 41°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Westerly: questions and answers
What kind of destination is Westerly?
Westerly is a seaside town in United States with a humid subtropical climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Westerly get a year?
Westerly gets about 2,279 hours of sunshine a year, at its best around July.
When is the best time to visit Westerly?
The sunniest time to visit Westerly is July, when the Sunshine Score peaks at 76/100 (with August and September close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Westerly?
January is the least sunny month in Westerly, scoring 0/100 with about 82 mm of rain.
What is the sea temperature in Westerly?
The sea in Westerly ranges from about 5°C (February) to 21°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Westerly?
The typical midday UV index in Westerly peaks around 7 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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