Churchill weather by month & the best time to visit
Canada · seaside town · subarctic climate
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The best time to visit Churchill is July — its sunniest month (Sunshine Score 71/100). Churchill averages about 2,292 hours of sunshine a year. Daytime highs around 19°C / 66°F and roughly 83 mm of rain in July.
When is the best time to visit Churchill?
For sunshine, the best time to visit Churchill is July. The dullest month is January (0/100, 21 mm of rain). The full month-by-month picture is in the table below.
How sunny is Churchill?
Churchill gets a moderate 2,292 hours of sunshine a year. 71 Sunshine Score points separate July (71) from January (0), so the month you pick matters. It ranks #37 of 242 destinations in Canada for annual sunshine, above the national median of 2,024 hours. Rain has a clear season: the wettest stretch, around August, carries about 43% of the annual 592 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -23° / -9°F | -31° / -24°F | 21 mm | 0 | -2° / 28°F |
| February | 0 | -21° / -6°F | -31° / -24°F | 17 mm | 1 | -2° / 28°F |
| March | 0 | -13° / 9°F | -23° / -9°F | 28 mm | 2 | -2° / 28°F |
| April | 0 | -4° / 25°F | -13° / 9°F | 37 mm | 3 | -2° / 28°F |
| May | 0 | 5° / 41°F | -4° / 25°F | 53 mm | 3 | -1° / 30°F |
| June | 40 | 14° / 57°F | 3° / 37°F | 64 mm | 4 | 0° / 32°F |
| July | 71 | 19° / 66°F | 8° / 46°F | 83 mm | 4 | 4° / 39°F |
| August | 55 | 17° / 63°F | 8° / 46°F | 101 mm | 3 | 12° / 54°F |
| September | 13 | 10° / 50°F | 3° / 37°F | 71 mm | 2 | 9° / 48°F |
| October | 0 | 1° / 34°F | -5° / 23°F | 64 mm | 1 | 4° / 39°F |
| November | 0 | -11° / 12°F | -20° / -4°F | 32 mm | 0 | -1° / 30°F |
| December | 0 | -20° / -4°F | -28° / -18°F | 21 mm | 0 | -1° / 30°F |
Sea temperature in Churchill by month
The sea off Churchill is warmest in August at around 12°C / 54°F, and coolest in January at -2°C / 28°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Churchill: questions and answers
What kind of destination is Churchill?
Churchill is a seaside town in Canada with a subarctic climate — the sea reaches 12°C at its warmest.
How many hours of sunshine does Churchill get a year?
Churchill gets about 2,292 hours of sunshine a year, at its best around July.
When is the best time to visit Churchill?
The sunniest time to visit Churchill is July, when the Sunshine Score peaks at 71/100. Expect daytime highs around 19°C / 66°F.
What is the least sunny month in Churchill?
January is the least sunny month in Churchill, scoring 0/100 with about 21 mm of rain.
What is the sea temperature in Churchill?
The sea in Churchill ranges from about -2°C (January) to 12°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Churchill?
The typical midday UV index in Churchill peaks around 4 (moderate) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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