Best year time to visit Derry

General weather information about Derry

Average annual temperature is 18.9 °C

Absolute maximum temperature: 41.9 °C

Absolute minimum temperature: -4.7 °C

Number of sunny days: 299 days

Number of rainy days: 65 days

Number of snow days: 1 day

Look at detailed online map of Derry

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

Derry air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.821.725.333.133.841.541.941.338.731.929.123.0
Average daytime temperature (°C)13.515.420.226.430.535.139.435.733.727.619.214.9
Average temperature (°C)6.77.812.718.323.227.932.929.326.320.312.37.7
Average night temperature (°C)1.01.95.69.715.019.425.122.618.513.16.01.1
Absolute minimum temperature (°C)-4.6-4.7-3.3-2.77.913.322.217.814.51.4-0.4-2.7

Derry 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)10.311.012.013.013.814.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)8.48.910.011.912.412.712.611.611.110.29.08.3
Precipitation (mm)121614018109100922
Sunny days241724292329292023302526
Rainy days61171812117155
Snow days100000000000

Best time to visit Derry:

The largest precipitation sum in Derry is at

  • February — 16(mm)
  • March — 14(mm)
  • May — 18(mm)
  • December — 22(mm)
  • Frequently asked questions

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