Average weather for Herm in December
It's cool in December in Herm with an average temperature of 11°C. Temperatures this month range from a low of 10°C to a high of 12°C. At night, you can expect temperatures between 7°C and 10°C.
Start of December
The month of December starts in Herm with cold temps, averaging around 11°C during the day and nights around 8°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid December
By mid-December, daytime temps rise to around 12°C, with nights around 9°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Go for a warm jacket, sweater or hoodie, and long pants.
End of December
By the end of December, the average daytime temperature in Herm is around 12°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny. Go for a warm jacket, sweater or hoodie, and long pants.
In December, there is an average of 112 mm of precipitation, spread over 15 days. The wind speed is around 5 Bft, mostly coming from the Southwest.
Herm in December |
New York | ||
|---|---|---|---|
 Average temperature |
11°C | 9°C | |
 Max. temperature |
12°C | 12°C | |
| Min. temperature |
10°C | -5°C | |
 Total precipitation |
112 mm | 133 mm | |
| Rainy days |
15 days | 17 days | |
November
UV index
The UV index is a maximum of 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Is December a good time to visit Herm?
Looking for sun? December isn’t a good month to be in Herm. There’s too much chance of rain this month.
Temperature records
With 15°C in 2015, Herm reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 3°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 13°C.
Check out the climate of Herm for all months and discover the best travel time
Daily Temperature in December in Herm
This chart shows the average daily high and low temperatures in December for Herm, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Herm
The chart below shows the average daily precipitation in December for Herm, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 15 days of precipitation in Herm.
Daily UV index in December in Herm
This chart shows the average daily UV index in December in Herm, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Herm over the years
This chart shows the average temperature in December in Herm, measured in degrees Celsius, over the past few years.
Total precipitation in December in Herm over the years
This chart shows the average precipitation in December in Herm, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Herm
Click on any day in December to get detailed info about the usual weather on that day in Herm. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Herm
Have you been to Herm in December?
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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.
