Best year time to visit Southwest

General weather information about Southwest

Average annual temperature is 17.8 °C

Absolute maximum temperature: 35.4 °C

Absolute minimum temperature: -3.7 °C

Number of sunny days: 180 days

Number of rainy days: 185 days

Look at detailed online map of Southwest

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

Southwest air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.427.328.729.830.431.334.435.434.528.426.123.2
Average daytime temperature (°C)16.218.619.123.624.928.632.031.728.423.518.215.9
Average temperature (°C)10.812.813.417.819.423.326.726.422.917.812.510.1
Average night temperature (°C)6.68.69.013.115.018.822.922.418.713.38.36.0
Absolute minimum temperature (°C)-1.3-3.7-0.34.38.812.220.118.512.97.7-2.6-1.1

Southwest monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.96.98.49.79.911.311.010.69.69.17.56.8
Precipitation (mm)1009365141103681232401653050164
Sunny days201217161393720241920
Rainy days11161414182128241071111
Snow days000000000000

Southwest - weather forecast by months

Southwest weather in januarySouthwest weather in februarySouthwest weather in marchSouthwest weather in aprilSouthwest weather in maySouthwest weather in juneSouthwest weather in julySouthwest weather in augustSouthwest weather in septemberSouthwest weather in octoberSouthwest weather in novemberSouthwest weather in december

Best time to visit Southwest:

The best time to visit Southwest during the most sunny months:

  • June — 11.3(h)

The largest precipitation sum in Southwest is at

  • April — 141(mm)
  • August — 240(mm)
  • September — 165(mm)
  • December — 164(mm)

    • Weather forecast in the closest to Southwest admin centers

    Weather forecast in the closest towns to Southwest

    Explore Southwest

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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