Climate averages 1991–2020

The Woodlands weather
in January.

A mild, wet month: the coolest and the joint 6th driest of the year.

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

Average high 16.1°C Daytime mean, January

Average low 7.0°C Night-time mean, January

Rainfall 100 mm 10 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

January is a mild month in The Woodlands: daytime highs average 16.1°C and nights cool to about 7.0°C. By daytime temperature it is the coolest month of the year.

Expect about 100 mm of rain on roughly 10 days, which makes January a wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 26 min on an average January day.

The nearest other city in this atlas is Cypress (29 km away). In January its highs average 16.4°C, about as warm as The Woodlands, with 95 mm of rain.

Among the 498 cities listed in the United States, The Woodlands ranks joint 120th of 498 for the warmest January highs and joint 424th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; The Woodlands is 6.7°C warmer than that mean.

From January to February, average highs rise by 2.1°C to 18.3°C, and monthly rainfall falls from 100 mm to 83 mm.

The annual picture

January 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

The Woodlands climate table

1991–2020

Monthly climate averages for The Woodlands, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	16.1°C7.0°C	7.0°C	100	9.7	10.410 h
February	18.3°C8.8°C	8.8°C	83	9.1	11.111 h
March	21.7°C12.0°C	12.0°C	91	9.5	12.012 h
April	25.5°C15.6°C	15.6°C	106	9.0	12.913 h
May	29.4°C20.0°C	20.0°C	104	10.7	13.714 h
June	32.2°C23.1°C	23.1°C	113	12.4	14.114 h
July	33.5°C24.2°C	24.2°C	81	11.1	13.914 h
August	34.0°C24.3°C	24.3°C	88	11.4	13.213 h
September	31.1°C21.8°C	21.8°C	100	10.0	12.412 h
October	26.7°C17.0°C	17.0°C	107	8.6	11.511 h
November	20.9°C11.7°C	11.7°C	98	8.6	10.711 h
December	17.0°C8.1°C	8.1°C	106	9.8	10.210 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

January in nearby cities

Distance from The Woodlands

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