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.
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- Sun hours / year
- 2,279
- Sunniest month
- July
- Peak score
- 76/100
- Rain / year
- 1,179 mm
- Snow / year
- ≈1.4 m
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 21°C / 70°F
- Population
- 18k
- Elevation
- 19 m
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.
See Westerly on the interactive sunshine globe →
Nearby places for sunshine
- Providence/Warwick United States · 52 km · best in Aug · 2,279 h sun/yr
- New Haven United States · 91 km · best in May · 2,191 h sun/yr
- Hartford United States · 98 km · best in May · 2,192 h sun/yr
- Martha's Vineyard United States · 99 km · best in Jul · 2,196 h sun/yr
- Islip United States · 125 km · best in Jul · 2,252 h sun/yr
- Boston United States · 130 km · best in Jul · 2,157 h sun/yr
Nearest destinations
- Block Island United States · 28 km · 2,278 h sun/yr · best in Jul
- Montauk United States · 32 km · 2,278 h sun/yr · best in Jul
- Newport United States · 48 km · 2,279 h sun/yr · best in Aug
- New Bedford United States · 79 km · 2,197 h sun/yr · best in Jul
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