Best year time to visit Sam Houston

General weather information about Sam Houston

Average annual temperature is 21.6 °C

Absolute maximum temperature: 42.7 °C

Absolute minimum temperature: 1.0 °C

Number of sunny days: 134 days

Number of rainy days: 231 days

Look at detailed online map of Sam Houston

* Weather data for Sam Houston United States is based on climate observations for 2026 year

Sam Houston air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.727.228.629.331.938.339.742.739.135.429.324.9
Average daytime temperature (°C)18.420.223.324.328.634.136.839.134.527.420.518.8
Average temperature (°C)13.714.718.319.323.628.030.332.028.321.615.613.1
Average night temperature (°C)10.210.614.415.519.523.525.526.323.517.411.89.0
Absolute minimum temperature (°C)1.31.02.910.213.319.322.823.119.38.03.92.4

Sam Houston monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.411.112.012.913.714.113.913.212.311.410.610.2
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)6.27.17.27.38.710.912.212.110.78.46.67.7
Precipitation (mm)3287014423617692341457114187146
Sunny days1286510771510161820
Rainy days192025252123241620151211
Snow days000000000000

Best time to visit Sam Houston:

The best time to visit Sam Houston during the most sunny months:

  • July — 12.2(h)
  • August — 12.1(h)

The largest precipitation sum in Sam Houston is at

  • January — 328(mm)
  • April — 236(mm)
  • May — 176(mm)
  • November — 187(mm)
  • Frequently asked questions

    When is the best time to visit Sam Houston?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Sam Houston.
    What is the weather like in Sam Houston?
    See average temperature, rainfall and daylight hours for Sam Houston by month in the table above.
    How many sunny days does Sam Houston have?
    The monthly weather statistics above show sunshine and rainfall patterns for Sam Houston throughout the year.