Best year time to visit Swanley

General weather information about Swanley

Average annual temperature is 11.7 °C

Absolute maximum temperature: 30.6 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 137 days

Number of rainy days: 228 days

Look at detailed online map of Swanley

* Weather data for Swanley United Kingdom is based on climate observations for 2026 year

Swanley air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.113.414.417.019.829.127.125.330.623.414.913.9
Average daytime temperature (°C)8.19.610.112.816.722.821.121.522.817.010.69.8
Average temperature (°C)5.36.37.38.612.317.717.417.318.313.57.97.8
Average night temperature (°C)2.43.34.54.88.112.513.813.514.310.75.25.5
Absolute minimum temperature (°C)-4.6-2.5-3.00.35.07.810.910.58.82.6-3.2-3.6

Swanley monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.410.011.913.915.616.516.114.612.610.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.14.84.18.110.012.610.110.29.16.44.12.7
Precipitation (mm)6711119863148877747999276
Sunny days141929111841116111111
Rainy days17929212012272014201920
Snow days000000000000

Swanley - weather forecast by months

Swanley weather in januarySwanley weather in februarySwanley weather in marchSwanley weather in aprilSwanley weather in maySwanley weather in juneSwanley weather in julySwanley weather in augustSwanley weather in septemberSwanley weather in octoberSwanley weather in novemberSwanley weather in december

Best time to visit Swanley:

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

  • May — 10.0(h)
  • June — 12.6(h)
  • July — 10.1(h)
  • August — 10.2(h)
  • September — 9.1(h)

Months with the longest average daylight duration in Swanley:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Swanley is at

  • March — 119(mm)
  • October — 99(mm)
  • November — 92(mm)

    • Weather forecast in the closest to Swanley admin centers

    Weather forecast in the closest towns to Swanley

    Explore Swanley

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    MapTrains schedule
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    Frequently asked questions

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