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What’s the climate like in Herm?

The current climate in Herm features temperatures ranging from a high of 21°C to a low of 10°C throughout the year. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 15°C.

The highest temperature recorded in Herm in recent years was 35°C in July 2022. The lowest daytime temperature recorded was -1°C in February 2018.

On average, Herm receives 859 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.

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Best time to visit Herm?

The best time to visit Herm for sunny weather is June through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Herm. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Herm

The climate table of Herm shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 10 10 11 13 16 19 21 20 19 16 13 11
Temp. min (°C) 6 6 7 8 10 13 15 15 14 12 10 8
Precipitation
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Precipitation (mm) 104 90 64 34 68 39 27 53 46 122 100 112
UV Index 2 3 5 6 6 8 8 6 4 3 2 1

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 15°C
  • Highest temperature: 21°C in July
  • Lowest temperature: 10°C in January and February
  • Precipitation: 859 mm per year, averaging 72 mm per month
  • Driest months: 27 mm in July, 34 mm in April and 39 mm in June
  • Wettest months: 122 mm in October, 112 mm in December and 104 mm in January

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Average Temperature per Month in Herm

This graph shows the average maximum temperatures per month in Herm. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Herm

Average Precipitation per Month in Herm

This graph shows how much rainfall Herm gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Precipitation per Month in Herm

Average UV Index per Month in Herm

This graph shows the average UV index per month in Herm. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Herm

Yearly Temperature in Herm

This graph shows the average yearly temperature in Herm. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Herm

Total Yearly Precipitation in Herm

This chart shows the total yearly precipitation in Herm over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Herm

Weather experiences in Herm

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Average Weather in Herm by Month

Click on a month below to see detailed weather info for Herm. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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