Climate averages 1991–2020

Huntsville weather
in March.

A mild, wet month: the 8th warmest and the wettest of the year.

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

Average high 16.5°C Daytime mean, March

Average low 6.2°C Night-time mean, March

Rainfall 145 mm 12 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a mild month in Huntsville: daytime highs average 16.5°C and nights cool to about 6.2°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 145 mm of rain on roughly 12 days, which makes March a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.

The nearest other city in this atlas is Chattanooga (122 km away). In March its highs average 16.3°C, about as warm as Huntsville, with 133 mm of rain.

Among the 498 cities listed in the United States, Huntsville ranks joint 243rd of 498 for the warmest March highs and joint 484th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Huntsville is 1.6°C warmer than that mean.

From March to April, average highs rise by 4.8°C to 21.3°C, and monthly rainfall falls from 145 mm to 126 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Huntsville climate table

1991–2020

Monthly climate averages for Huntsville, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	9.7°C1.1°C	1.1°C	129	10.3	10.110 h
February	12.1°C2.6°C	2.6°C	124	11.1	10.911 h
March, selected	16.5°C6.2°C	6.2°C	145	11.8	11.912 h
April	21.3°C10.7°C	10.7°C	126	10.4	13.013 h
May	25.8°C15.7°C	15.7°C	106	11.0	14.014 h
June	29.6°C20.1°C	20.1°C	105	12.4	14.414 h
July	31.0°C22.0°C	22.0°C	112	12.8	14.214 h
August	31.0°C21.7°C	21.7°C	78	11.1	13.513 h
September	28.1°C18.6°C	18.6°C	92	7.5	12.412 h
October	22.3°C12.5°C	12.5°C	86	7.2	11.311 h
November	15.7°C6.4°C	6.4°C	106	8.9	10.410 h
December	11.1°C2.8°C	2.8°C	139	11.2	9.910 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 Huntsville

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 Huntsville) is explained once on the Huntsville year overview and on the Sources, method and limits page.