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Best time to visit Herm
The best time to visit in Herm is from June until October, when you will have a soft or pleasant temperature and limited rainfall. The highest average temperature in in Herm is 18°C in August and the lowest is 9°C in February.
Herm has the oceanic climate prevailing. If you want to know what the average temperature is in in Herm or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.
Average weather Herm by month
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature (°C) | 10 | 9 | 10 | 11 | 13 | 15 | 17 | 18 | 17 | 16 | 13 | 11 |
| Precipitation (mm) | 58 | 41 | 33 | 23 | 21 | 23 | 26 | 34 | 28 | 45 | 71 | 60 |
14 day weather forecast Herm
The weather for in Herm will be 18° till 15° degrees in the next 14 days with a few days chance of light rain showers or even quite a bit of rain.
Weather forecast this week
 |
Sunday 19 Sep | Precip | Chance | Wind | UV |
17° 16° |
0.3 mm | 25% | 7 m/s | 3 | |
|
Monday 20 Sep | Precip | Chance | Wind | UV |
18° 16° |
0 mm | 0% | 7 m/s | 4 | |
|
Tuesday 21 Sep | Precip | Chance | Wind | UV |
18° 17° |
0 mm | 0% | 4 m/s | 4 | |
 |
Wednesday 22 Sep | Precip | Chance | Wind | UV |
15° 13° |
0 mm | 0% | 4 m/s | 4 | |
 |
Thursday 23 Sep | Precip | Chance | Wind | UV |
15° 14° |
0 mm | 0% | 3 m/s | 2 | |
|
Friday 24 Sep | Precip | Chance | Wind | UV |
15° 14° |
0 mm | 0% | 5 m/s | 3 | |
|
Saturday 25 Sep | Precip | Chance | Wind | UV |
16° 15° |
0.3 mm | 20% | 4 m/s | 2 |
Weather forecast next week
|
Sunday 26 Sep | Precip | Chance | Wind | UV |
16° 15° |
0.5 mm | 35% | 5 m/s | 3 | |
 |
Monday 27 Sep | Precip | Chance | Wind | UV |
16° 13° |
6.7 mm | 85% | 7 m/s | 1 | |
 |
Tuesday 28 Sep | Precip | Chance | Wind | UV |
16° 12° |
3.4 mm | 75% | 10 m/s | 1 | |
|
Wednesday 29 Sep | Precip | Chance | Wind | UV |
13° 11° |
0.3 mm | 20% | 8 m/s | 0 | |
|
Thursday 30 Sep | Precip | Chance | Wind | UV |
14° 11° |
0 mm | 0% | 7 m/s | 0 | |
|
Friday 1 Oct | Precip | Chance | Wind | UV |
15° 12° |
6.6 mm | 85% | 13 m/s | 0 | |
|
Saturday 2 Oct | Precip | Chance | Wind | UV |
13° 10° |
0.1 mm | 10% | 12 m/s | 0 |
Climate Herm
Herm has the oceanic climate prevailing. There is rainfall during all months of the year. The average annual temperature for Herm is 13° degrees and there is about 463 mm of rain in a year. It is dry for 131 days a year with an average humidity of 80% and an UV-index of 4.
Climate table of Herm
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | 10 | 9 | 10 | 11 | 13 | 15 | 17 | 18 | 17 | 16 | 13 | 11 |
| Night temp. (°C) | 8 | 7 | 8 | 10 | 12 | 14 | 16 | 17 | 16 | 14 | 12 | 10 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 58 | 41 | 33 | 23 | 21 | 23 | 26 | 34 | 28 | 45 | 71 | 60 |
| Days with rain | 22 | 17 | 16 | 13 | 12 | 10 | 13 | 13 | 12 | 17 | 22 | 21 |
| Dry days | 9 | 11 | 15 | 17 | 19 | 20 | 18 | 18 | 18 | 14 | 8 | 10 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 4 | 4 | 6 | 10 | 9 | 9 | 10 | 9 | 9 | 5 | 4 | 4 |
| Wind force (Bft) | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
| UV-index | 3 | 2 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 3 | 3 |
Herm weather by month
What is the average weather like in a given month for Herm? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
Weather experiences Herm
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Frequently asked questions
Where is Herm?
Herm lies in a straight line about 9,500 km from New Zealand (Cape Town → Herm).
How long is the flight to Herm?
The flight time from Cape Town International Airport to Herm is approximately 13 h. 10 min.
What are the largest airports in Herm?
These are the largest airports in Herm:
- Alderney Airport – Saint Anne
- Guernsey Airport – Saint Peter Port
How many inhabitants are there in Herm?
Herm has approximately 60 inhabitants.
How big is Herm?
The area of Herm is around 2 km². It is 610519x smaller than New Zealand.