Surrey climate

Name: Surrey
Address: CA

Surrey is warmest in August, with average highs of 24 °C, and coldest in January, when nights average 0.1 °C. November is the wettest month (249 mm) and July the driest (34 mm). Figures are 1991–2020 climate normals.

Across a full year Surrey averages 1,606 mm of rain, 32 days above 25 °C and 55 days below freezing.

Canada · population 568,322 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 24 °C
Coldest month January 0.1 °C
Driest month July 34 mm
Wettest month November 249 mm
Least cloud July 43 % cloud
Hottest on record July 37 °C
Coldest on record January -15 °C
Warmest sea August 16 °C

What to expectSurrey through the year

Surrey has a clear annual cycle: average daily highs run from 5.7 °C in January to 24 °C in August, a swing of 16 °C in mean temperature across the year.

Counted across a normal year, 32 days a year reach 25 °C, 6 of them reach 30 °C, 55 nights drop below freezing. The warmest reading in the 1991–2020 record is 37 °C, in July.

Rain is strongly seasonal. November averages 249 mm against 34 mm in July — 7.4 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Surrey is warmest in August at 16 °C and coldest in January at 7.1 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	5.7 °C	220 mm	75 %
February	7.8 °C	137 mm	69 %
March	10.2 °C	177 mm	71 %
April	13.5 °C	127 mm	67 %
May	17.5 °C	85 mm	62 %
June	19.9 °C	62 mm	60 %
July	23.7 °C	34 mm	43 %
August	23.9 °C	51 mm	45 %
September	20.4 °C	86 mm	51 %
October	14.0 °C	170 mm	67 %
November	8.4 °C	249 mm	75 %
December	5.1 °C	209 mm	77 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	5.7 °C	0.1 °C	2.4 °C	14.1 °C	-15.4 °C	0	0	13
February	7.8 °C	0.4 °C	3.4 °C	17.4 °C	-11.3 °C	0	0	13
March	10.2 °C	1.8 °C	5.3 °C	22.1 °C	-5.4 °C	0	0	9
April	13.5 °C	4.1 °C	8.3 °C	28.4 °C	-4.1 °C	0	0	2
May	17.5 °C	7.5 °C	12.2 °C	30.8 °C	-0.7 °C	2	0	0
June	19.9 °C	10.5 °C	14.9 °C	33.1 °C	4.5 °C	3	1	0
July	23.7 °C	13.1 °C	18.1 °C	36.8 °C	7.3 °C	11	2	0
August	23.9 °C	13.3 °C	18.2 °C	34.5 °C	8.2 °C	12	2	0
September	20.4 °C	10.9 °C	15.1 °C	31.7 °C	4.0 °C	5	0	0
October	14.0 °C	6.9 °C	9.9 °C	25.5 °C	-2.8 °C	0	0	0
November	8.4 °C	3.0 °C	5.2 °C	17.8 °C	-12.8 °C	0	0	5
December	5.1 °C	0.3 °C	2.3 °C	13.3 °C	-12.0 °C	0	0	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	220 mm	18	8.7 h/day	75 %	86 %	15 km/h	7.1 °C
February	137 mm	15	10 h/day	69 %	82 %	15 km/h	7.2 °C
March	177 mm	18	12 h/day	71 %	81 %	15 km/h	7.9 °C
April	127 mm	15	14 h/day	67 %	78 %	14 km/h	9.6 °C
May	85 mm	10	15 h/day	62 %	75 %	13 km/h	12.2 °C
June	62 mm	9	16 h/day	60 %	74 %	13 km/h	14.4 °C
July	34 mm	5	16 h/day	43 %	71 %	12 km/h	16.1 °C
August	51 mm	6	14 h/day	45 %	73 %	12 km/h	16.3 °C
September	86 mm	9	13 h/day	51 %	79 %	11 km/h	14.3 °C
October	170 mm	15	11 h/day	67 %	85 %	14 km/h	11.3 °C
November	249 mm	19	9.2 h/day	75 %	88 %	16 km/h	9.1 °C
December	209 mm	18	8.2 h/day	77 %	87 %	16 km/h	7.7 °C

How Surrey compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Surrey	24 °C	0.1 °C	1,606 mm	32
Burnaby · Canada	23 °C	0.9 °C	2,265 mm	28
Richmond · Canada	23 °C	1.6 °C	2,194 mm	21
Vancouver · Canada	23 °C	1.4 °C	2,218 mm	19
Victoria · Canada	21 °C	3.1 °C	1,012 mm	9
Seattle · United States	25 °C	1.8 °C	1,296 mm	39

Where Surrey ranks

Ranking	Position	Value
Places with the best weather in North America in July	1stof 50	95/100
Places with the best weather in North America in August	4thof 50	94/100
The coolest places in North America in June	10thof 50	20 °C
The coolest places in North America in May	18thof 50	18 °C
The coolest places in North America in October	21stof 50	14 °C
The coolest places in North America in September	24thof 50	20 °C

Planning a trip? See the best time to visit Surrey.

QuestionsCommon questions about Surrey’s climate

When is the best time to visit Surrey?

That depends on what you want, so the honest answer is a comparison rather than a single month. July, August, September sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Surrey get?

In August, the warmest month, daily highs average 24 °C. About 6 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average 0.1 °C in January, the coldest month. A normal year has 55 nights below freezing.

Which month is wettest in Surrey?

November, averaging 249 mm over 19 days with rain. The driest month is July with 34 mm. The year as a whole averages 1,606 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Surrey rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.