Houston - Recent May Temperatures and Rainfall





The numbers here describe what the May weather in Houston, Texas was like for every year since 2010. A series of tables gives May data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot days occurred each May. Then there's information on how much rain actually landed this month during recent years, as well as how often Houston had wet weather.

The climate data come from weather measurements made at the William P. Hobby Airport near downtown Houston.

Temperature Weather iconTemperature

May temperature averages by year in Houston
High °F Low °F Year High °C Low °C
85 71 2021 29 21
88 70 2020 31 21
86 72 2019 30 22
89 70 2018 31 21
85 67 2017 30 20
85 69 2016 30 20
85 71 2015 29 21
83 65 2014 28 18
84 67 2013 29 20
87 70 2012 31 21
88 69 2011 31 21
88 71 2010 31 21
Number of days in May when the temperature in Houston rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 31 4
2020 31 11
2019 31 10
2018 31 15
2017 31 2
2016 31 4
2015 31 1
2014 31 0
2013 30 1
2012 31 8
2011 31 14
2010 31 11

Rainy Weather iconRain

This table gives the total precipitation that fell on Houston during May in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for May in Houston
Days Year Inches Milli­metres
16 2021 10.4 264
15 2020 8.1 205
9 2019 11.3 288
4 2018 3.6 91
7 2017 2.7 68
12 2016 7.6 193
18 2015 14.4 366
9 2014 10.4 263
5 2013 3.0 75
7 2012 7.4 189
1 2011 0.2 5
4 2010 1.7 43
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Houston - Recent Years
Houston - Extremes
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