Climate averages 1991–2020

Pearland weather
in May.

A hot, moderately wet month: the 5th warmest and the 2nd driest of the year.

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

Average high 28.9°C Daytime mean, May
Average low 20.7°C Night-time mean, May
Rainfall 86 mm 10 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Pearland · average highYear overview

May is a hot month in Pearland: daytime highs average 28.9°C and nights cool to about 20.7°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 86 mm of rain on roughly 10 days, which makes May a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 37 min on an average May day.

The nearest other city in this atlas is Pasadena (Texas), United States (16 km away). In May its highs average 28.9°C, about as warm as Pearland, with 90 mm of rain.

Among the 498 cities listed in the United States, Pearland ranks joint 58th of 498 for the warmest May highs and joint 259th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Pearland is 5.1°C warmer than that mean.

From May to June, average highs rise by 2.6°C to 31.5°C, and monthly rainfall rises from 86 mm to 108 mm.

The annual picture

May 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. 5101520253035 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 1500

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

Every month, side by side

Pearland climate table

1991–2020
Monthly climate averages for Pearland, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 17.0°C8.0°C8.0°C1019.810.510 h
February 18.9°C9.9°C9.9°C818.911.111 h
March 21.9°C13.0°C13.0°C899.112.012 h
April 25.3°C16.4°C16.4°C948.612.913 h
May, selected 28.9°C20.7°C20.7°C8610.113.614 h
June 31.5°C23.8°C23.8°C10813.214.014 h
July 32.6°C24.6°C24.6°C9413.113.814 h
August 32.9°C24.7°C24.7°C10013.713.213 h
September 30.6°C22.3°C22.3°C12412.712.412 h
October 26.7°C17.8°C17.8°C1089.111.511 h
November 21.5°C12.6°C12.6°C1028.410.711 h
December 17.9°C9.2°C9.2°C1019.310.310 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

May in nearby cities

Distance from Pearland

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