Climate averages 1991–2020

St Albans weather
in March.

A cool, moderately wet month: the joint 8th warmest and the driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 9.8°C Daytime mean, March
Average low 3.2°C Night-time mean, March
Rainfall 43 mm 10 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in St Albans · average highYear overview

March is a cool month in St Albans: daytime highs average 9.8°C and nights cool to about 3.2°C. By daytime temperature it is the joint 8th warmest of the 12 months.

Expect about 43 mm of rain on roughly 10 days, which makes March a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average March day.

The nearest other city in this atlas is Hemel Hempstead (8 km away). In March its highs average 9.6°C, about as warm as St Albans, with 44 mm of rain.

Among the 143 cities listed in the United Kingdom, St Albans ranks joint 51st of 143 for the warmest March highs and joint 17th of 143 for the driest March (rainfall, lowest first). The mean March high of those 143 cities is 9.5°C; St Albans is 0.3°C warmer than that mean.

From March to April, average highs rise by 2.9°C to 12.7°C, and monthly rainfall rises from 43 mm to 50 mm.

The annual picture

March in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

St Albans climate table

1991–2020
Monthly climate averages for St Albans, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 6.9°C2.1°C2.1°C5311.08.48 h
February 7.4°C2.0°C2.0°C449.89.910 h
March, selected 9.8°C3.2°C3.2°C4310.311.812 h
April 12.7°C4.9°C4.9°C5011.213.814 h
May 15.9°C7.9°C7.9°C5410.215.616 h
June 18.7°C10.9°C10.9°C5810.416.617 h
July 21.0°C13.1°C13.1°C5711.016.216 h
August 20.7°C13.1°C13.1°C6210.814.615 h
September 18.0°C10.9°C10.9°C499.412.713 h
October 14.0°C8.2°C8.2°C5810.610.711 h
November 9.8°C4.8°C4.8°C6010.78.99 h
December 7.1°C2.7°C2.7°C5611.27.98 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from St Albans

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for St Albans) is explained once on the St Albans year overview and on the Sources, method and limits page.