Sesh IDBeta
De Leien · Netherlands

De Leien in December

Lake, no tide. What an average December looks like here, from five years of weather history.

Model: weather history 2021 to 2025
Model mean, kn
10.1
Model gust, kn
18.0
Windy days (model, twintip 14 kn)
12
Direction
SW
Air °C
6
Sunny days
2
Rain days
13

By the model, December is the 3rd windiest month here: 10.1 kn mean against 9.6 kn over the year. Best for wind: Dec to Feb.

Plan your seshThe planner scores the real forecast for your weight, your gear and your wind.

Season

Best for wind: Dec to Feb

JanFebMarAprMayJunJulAugSepOctNovDec
Wind, shape of the year
Model: weather history 2021 to 2025
Model mean, kn
10.4
10.7
9.5
9.8
9.1
8.9
9.2
8.7
8.5
10.0
9.7
10.1
Model gust, kn
18.6
19.6
18.2
18.9
18.4
17.9
18.5
17.4
16.7
18.5
17.5
18.0
Windy days (model, twintip 14 kn)
14
14
10
12
10
11
9
8
9
13
13
12
Direction
WSW
SW
SW
SW
WSW
WSW
WSW
W
SW
SW
SSW
SW
Air °C
5
6
9
11
15
19
20
20
18
14
8
6
Sunny days
3
2
7
7
4
6
3
4
4
3
1
2
Rain days
14
12
13
12
13
11
17
11
12
15
15
13

Wind bar: the month's model mean wind between 09:00 and 18:00 against the windiest month here (full bar). Model rows: daytime (09:00 to 18:00) means; a windy day has 2 hours or more at the sport's minimum; a surf day 2 daylight hours of waves of 0.5 m or more; sunny: daytime cloud 30 % or less; rain: 1 mm or more.

From weather models 2021 to 2025. At spots with thermal wind or sea breeze the model reads several knots low; the bars show the shape of the year, riders know the numbers.

Source: Open-Meteo historical weather and marine archive (CC BY 4.0), weather 2021 to 2025.