Best year time to visit Eureka (historical)

General weather information about Eureka (historical)

Average annual temperature is 18.2 °C

Absolute maximum temperature: 37.8 °C

Absolute minimum temperature: -2.9 °C

Number of sunny days: 185 days

Number of rainy days: 180 days

Look at detailed online map of Eureka (historical)

* Weather data for Eureka (historical) United States is based on climate observations for 2026 year

Eureka (historical) air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.926.727.829.633.034.535.937.833.828.926.023.0
Average daytime temperature (°C)15.819.421.124.025.929.833.633.828.923.918.514.9
Average temperature (°C)10.413.814.617.720.323.927.427.322.717.912.59.6
Average night temperature (°C)6.39.69.212.315.719.022.322.317.713.08.15.7
Absolute minimum temperature (°C)-2.9-0.7-1.56.18.615.720.218.813.16.8-2.3-2.0

Eureka (historical) 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)10.211.012.013.013.914.314.113.412.411.410.510.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.07.38.69.49.910.811.611.410.39.17.26.5
Precipitation (mm)17090162951101284317361824287
Sunny days151320131110101019251920
Rainy days16151117202021211161111
Snow days000000000000

Best time to visit Eureka (historical):

The best time to visit Eureka (historical) during the most sunny months:

  • July — 11.6(h)
  • August — 11.4(h)

The largest precipitation sum in Eureka (historical) is at

  • January — 170(mm)
  • March — 162(mm)
  • August — 173(mm)
  • Frequently asked questions

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