ClimateWhen

HomeCanada → Whitby

Whitby Weather by Month

Best time to visit Whitby
June–September
Average daily high Wet days Best window
Warmest month
Jul
25.7°C average high
Wettest month
Jun
94.1mm
Coolest month
Jan
-0.7°C average high
Peak comfort score
81
out of 100

The year at a glance

-15°-5°15°25°094mmJFMAMJJASOND
Daily low to high range Rainfall (right axis)

Month by month

MonthHighLowRainWet daysScore
January -0.7°-8.1°73.2mm 12.55
February 0.3°-7.3°54.3mm 9.612
March 4.7°-3.2°51.2mm 9.824
April 10.7°2.1°81mm 1148
May 17.6°87.8mm 11.370
June 22.7°13.6°94.1mm 11.477
July 25.7°16.4°90.7mm 1080
August 25.1°16.1°70.1mm 9.581
September 21.3°12.3°86.8mm 9.980
October 14.1°6.2°81.1mm 13.255
November 7.8°1.1°74.1mm 11.736
December 2.5°-3.8°67.6mm 12.212

Averages from OSHAWA WPCP, ON CA, 8.2km away, over 1995–2024.

What each month is like

January

January in Whitby averages a daily high of -0.7°C with nights around -8.1°C. Expect roughly 12.5 wet days totalling 73.2mm. A hard month to visit for comfort alone.

February

February in Whitby averages a daily high of 0.3°C with nights around -7.3°C. Expect roughly 9.6 wet days totalling 54.3mm. A hard month to visit for comfort alone.

March

March in Whitby averages a daily high of 4.7°C with nights around -3.2°C. Expect roughly 9.8 wet days totalling 51.2mm. A hard month to visit for comfort alone.

April

April in Whitby averages a daily high of 10.7°C with nights around 2.1°C. Expect roughly 11 wet days totalling 81mm. Demanding conditions — pack for it and plan indoor options.

May

May in Whitby averages a daily high of 17.6°C with nights around 8°C. Expect roughly 11.3 wet days totalling 87.8mm. Generally workable, with some weather to plan around.

June

June in Whitby averages a daily high of 22.7°C with nights around 13.6°C. Expect roughly 11.4 wet days totalling 94.1mm. Comfortable conditions for being outdoors all day.

July

July in Whitby averages a daily high of 25.7°C with nights around 16.4°C. Expect roughly 10 wet days totalling 90.7mm. Comfortable conditions for being outdoors all day.

August

August in Whitby averages a daily high of 25.1°C with nights around 16.1°C. Expect roughly 9.5 wet days totalling 70.1mm. Comfortable conditions for being outdoors all day.

September

September in Whitby averages a daily high of 21.3°C with nights around 12.3°C. Expect roughly 9.9 wet days totalling 86.8mm. Comfortable conditions for being outdoors all day.

October

October in Whitby averages a daily high of 14.1°C with nights around 6.2°C. Expect roughly 13.2 wet days totalling 81.1mm. Generally workable, with some weather to plan around.

November

November in Whitby averages a daily high of 7.8°C with nights around 1.1°C. Expect roughly 11.7 wet days totalling 74.1mm. Demanding conditions — pack for it and plan indoor options.

December

December in Whitby averages a daily high of 2.5°C with nights around -3.8°C. Expect roughly 12.2 wet days totalling 67.6mm. A hard month to visit for comfort alone.

How the score works

Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Whitby peaks at 81.

Common questions

When is the best time to visit Whitby?

Based on 30 years of records, June–September scores highest for comfort in Whitby, balancing daytime temperature against rainfall.

What is the hottest month in Whitby?

July is the warmest, averaging a daily high of 25.7°C.

What is the wettest month in Whitby?

June is the wettest, averaging 94.1mm of rain across roughly 11.4 wet days.

How cold does Whitby get?

January is the coolest month, with average daily highs around -0.7°C.

Compare nearby