Climate averages 1991–2020

Flower Mound weather
in April.

A warm, wet month: the 7th warmest and the 11th driest of the year.

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

Average high 23.7°C Daytime mean, April
Average low 13.6°C Night-time mean, April
Rainfall 103 mm 8 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Flower Mound · average highYear overview

April is a warm month in Flower Mound: daytime highs average 23.7°C and nights cool to about 13.6°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 103 mm of rain on roughly 8 days, which makes April a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 59 min on an average April day.

The nearest other city in this atlas is Lewisville (10 km away). In April its highs average 23.8°C, about as warm as Flower Mound, with 103 mm of rain.

Among the 498 cities listed in the United States, Flower Mound ranks joint 106th of 498 for the warmest April highs and joint 381st of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Flower Mound is 4.3°C warmer than that mean.

From April to May, average highs rise by 3.9°C to 27.6°C, and monthly rainfall rises from 103 mm to 132 mm.

The annual picture

April 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. 0510152025303540 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

Flower Mound climate table

1991–2020
Monthly climate averages for Flower Mound, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.8°C3.4°C3.4°C686.910.210 h
February 15.2°C5.4°C5.4°C707.111.011 h
March 19.4°C9.3°C9.3°C958.912.012 h
April, selected 23.7°C13.6°C13.6°C1038.113.013 h
May 27.6°C18.5°C18.5°C13210.913.814 h
June 31.6°C22.8°C22.8°C827.714.314 h
July 34.2°C25.1°C25.1°C455.414.114 h
August 34.2°C25.1°C25.1°C515.213.413 h
September 30.2°C21.2°C21.2°C726.112.412 h
October 24.8°C15.3°C15.3°C967.511.411 h
November 18.3°C9.3°C9.3°C886.810.510 h
December 13.6°C4.7°C4.7°C856.810.010 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

April in nearby cities

Distance from Flower Mound

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

Carrollton and Lewisville lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.