Westminster weather by month

Warmest month

July

24°C average high

Coolest month

January

3°C average low

Wettest month

February

108 mm of rain

Driest month

April

58 mm of rain

Average temperature and rainfall in Westminster by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	8°C	3°C	-7°C / 13°C	89 mm	84%	13 km/h
February	10°C	4°C	-2°C / 18°C	108 mm	80%	16 km/h
March	11°C	4°C	-2°C / 18°C	82 mm	75%	15 km/h
April	14°C	6°C	0°C / 22°C	58 mm	70%	15 km/h
May	17°C	8°C	3°C / 32°C	67 mm	69%	14 km/h
June	22°C	12°C	7°C / 32°C	65 mm	67%	13 km/h
July	24°C	15°C	10°C / 36°C	82 mm	68%	14 km/h
August	23°C	14°C	8°C / 32°C	74 mm	70%	13 km/h
September	20°C	12°C	3°C / 30°C	65 mm	75%	12 km/h
October	16°C	9°C	2°C / 23°C	89 mm	81%	13 km/h
November	11°C	6°C	-1°C / 18°C	86 mm	85%	13 km/h
December	9°C	5°C	-5°C / 14°C	82 mm	84%	16 km/h

Frost and snow-likely months in Westminster

No month in Westminster averages a night of 2°C or below. The coldest month is January with an average low of 3°C and a record low of -7°C, so frost is rare and snow is very unlikely.

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Westminster

The most comfortable time to visit Westminster is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around February, totalling about 947 mm a year.

Travellers who prefer heat should aim for July, when highs average 24°C. February is the month to avoid if rain would spoil your plans — it averages 108 mm, roughly 2× the rainfall of the driest month (April).

Westminster climate: your questions

Will it snow in Westminster this year?

No: the coldest month in Westminster is January with an average low of 3°C and a record low of -7°C, so snow is very unlikely. What is falling now: Westminster weather today.

What is the climate like in Westminster?

Westminster's winter months average lows of 5°C in December, 3°C in January and 4°C in February, with about 279 mm of precipitation across the three; 0 of them sit at or below 0°C, so snow is unlikely. The records hold no snowfall totals. The next 15 days: Westminster 10-day forecast.

When is the best time to visit Westminster?

June to August are the most comfortable months in Westminster, with highs near 23°C. July is the warmest month, averaging 24°C by day; February is the wettest, with 108 mm; and January is the coolest, with lows near 3°C. What it is doing today: Westminster weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Westminster forecast for what is happening now.