AI-generatedWassenaar at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 22°
- Sunshine a year
- 1,850 h
- Rain a year
- 884 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 2 m
Climate in Wassenaar
Wassenaar has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 22 °C, while January is the coolest at 7 °C. With around 1,850 hours of sunshine a year, Wassenaar is moderately sunny; May is the sunniest month with 7.8 hours a day.
Holiday weather through the year
Best time to visit Wassenaar
The best time to visit Wassenaar is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to June. Rain is frequent from October to January; the wettest month is October with 100 mm.
Wassenaar through the seasons
How the weather changes over the seasons, with averages for each.
Wassenaar in spring
Mar – May
Fair
- 10–17 °C by day
- 6.5 h of sun a day
- 32 rainy days in all
Wassenaar in summer
Jun – Aug
Good
- 20–22 °C by day
- 7.4 h of sun a day
- 38 rainy days in all
Wassenaar in autumn
Sep – Nov
Fair
- 10–19 °C by day
- 3.8 h of sun a day
- 44 rainy days in all
Wassenaar in winter
Dec – Feb
Poor
- 7 °C by day
- 2.5 h of sun a day
- 41 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun
15–28 °C and not too much rain
Rainy months
Oct – Jan
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Wassenaar for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 9°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 11°
08:0518:51
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:44–08:52 · evening 18:04–19:12
- Blue hour
- Morning 07:31–07:44 · evening 19:12–19:25
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Wassenaar compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 17° at the start of the month to 13° at the end. The days get 1.9 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 17° | 13° |
| Night-time low | 10° | 6° |
| Daylight | 11.7 h | 9.8 h |
What is the weather like in Wassenaar in October?
In October, Wassenaar is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.8 hours a day. It rains often – on about 15 days, adding up to 100 mm. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, October is a so-so month for a holiday in Wassenaar.
More details for October
- Daylight
- 10 h 45 min08:05 – 18:51
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %69 %
- Sunshineweight 20 %13 %
- Few rainy daysweight 30 %22 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Compare two months in Wassenaar
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Wassenaar: score 81 against 44. In June, days are 5 °C warmer than in October. June has 4 fewer rainy days. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 44 | 81better |
| Daytime high | 15° | 20° |
| Night-time low | 8° | 11° |
| Sunshine | 3.8 h | 7.6 hbetter |
| Rainy days | 15 | 11better |
| Rainfall | 100 mm | 64 mmbetter |
Based on the climate averages 1996–2025.
Wassenaar month by month
The typical weather for every month at a glance.
9January7° · 2.3 h
In January, Wassenaar is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.3 hours a day. Rain is frequent, with about 14 rainy days and 72 mm in total. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, January is not an ideal month for a holiday in Wassenaar.
Wassenaar in January14February7° · 3.4 h
In February, Wassenaar is cold: daytime highs average 7 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 12 rainy days and 62 mm in total. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, February is not an ideal month for a holiday in Wassenaar.
Wassenaar in February31March10° · 4.9 h
In March, Wassenaar is cool: daytime highs average 10 °C, and nights cool down to about 3 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 53 mm in total. All in all, March is not an ideal month for a holiday in Wassenaar.
Wassenaar in March59April14° · 6.9 h
In April, Wassenaar is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. The sun shines for around 6.9 hours a day. Rain is frequent, with about 10 rainy days and 47 mm in total. All in all, April is a so-so month for a holiday in Wassenaar.
Wassenaar in April77May17° · 7.8 h
In May, Wassenaar is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sun shines for around 7.8 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. All in all, May is a good month for a holiday in Wassenaar.
Wassenaar in May81June20° · 7.6 h
In June, Wassenaar is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sun shines for around 7.6 hours a day. Rain is frequent, with about 11 rainy days and 64 mm in total. All in all, June is an excellent month for a holiday in Wassenaar.
Wassenaar in June76July22° · 7.7 h
In July, Wassenaar is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 7.7 hours a day. Rain is frequent, with about 13 rainy days and 80 mm in total. All in all, July is a good month for a holiday in Wassenaar.
Wassenaar in July72August22° · 6.9 h
In August, Wassenaar is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sun shines for around 6.9 hours a day. Rain is frequent, with about 14 rainy days and 91 mm in total. All in all, August is a good month for a holiday in Wassenaar.
Wassenaar in August70September19° · 5.3 h
In September, Wassenaar is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 82 mm in total. All in all, September is a good month for a holiday in Wassenaar.
Wassenaar in September44October15° · 3.8 h
In October, Wassenaar is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.8 hours a day. It rains often – on about 15 days, adding up to 100 mm. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, October is a so-so month for a holiday in Wassenaar.
Wassenaar in October16November10° · 2.3 h
In November, Wassenaar is cool: daytime highs average 10 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2.3 hours a day. It rains often – on about 16 days, adding up to 89 mm. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, November is not an ideal month for a holiday in Wassenaar.
Wassenaar in November6December7° · 1.8 h
In December, Wassenaar is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.8 hours a day. It rains often – on about 15 days, adding up to 84 mm. It is often windy: on a typical day the wind peaks at around 30 km/h. All in all, December is not an ideal month for a holiday in Wassenaar.
Wassenaar in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Wassenaar
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in February (1°), the warmest in July (14°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 9 | 7° | 2° | 2.3 h | 14 | 72 |
| FebruaryFeb | 14 | 7° | 1° | 3.4 h | 12 | 62 |
| MarchMar | 31 | 10° | 3° | 4.9 h | 11 | 53 |
| AprilApr | 59 | 14° | 5° | 6.9 h | 10 | 47 |
| MayMay | 77 | 17° | 9° | 7.8 h | 11 | 61 |
| JuneJun | 81 | 20° | 11° | 7.6 h | 11 | 64 |
| JulyJul | 76 | 22° | 14° | 7.7 h | 13 | 80 |
| AugustAug | 72 | 22° | 14° | 6.9 h | 14 | 91 |
| SeptemberSep | 70 | 19° | 11° | 5.3 h | 12 | 82 |
| OctoberOct | 44 | 15° | 8° | 3.8 h | 15 | 100 |
| NovemberNov | 16 | 10° | 5° | 2.3 h | 16 | 89 |
| DecemberDec | 6 | 7° | 2° | 1.8 h | 15 | 84 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
52.15° N, 4.40° E · 2 m · Europe/Amsterdam
Sunshine
Sunshine hours in Wassenaar
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.8 of 10.8 hours of daylight in Wassenaar, 35 % of the daylight hours.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Wassenaar: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Wassenaar has about 15 rainy days with 100 mm of rain in total.
UV index
UV index in Wassenaar
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 75 min
- Fair skin
- about 90 min
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Wassenaar
How breezy and how cloudy Wassenaar is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Wassenaar typically peaks at 28 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Wassenaar: mostly cloudy, with about 3.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Planning a trip to Wassenaar
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Wassenaar in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Wassenaar has its best school-holiday weather during May half-term (score 78) and its weakest during the Christmas holidays (score 8).
- 51
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 6.3 h of sun a day
- 10 rainy days a month
- 78
May half-term
May – Jun
GoodBest holidays
- 18 °C by day
- 7.8 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 73
Summer holidays
Jul – Aug
Good
- 22 °C by day
- 7.2 h of sun a day
- 14 rainy days a month
- 44
October half-term
Oct
Fair
- 15 °C by day
- 3.8 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 8
Christmas holidays
Dec – Jan
Poor
- 7 °C by day
- 2.1 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 340 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Netherlands
- Currency
- Euro (EUR)
- Language
- Dutch
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +31
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Wassenaar compared
Put Wassenaar side by side with another destination.
Wassenaar vs Leiden
In October the holiday weather in Wassenaar and Leiden is about equally good (score 44 vs 44). During the day it is about as warm in Leiden as in Wassenaar.
| in October | Wassenaar | Leiden |
|---|---|---|
| Holiday weather score | 44 | 44 |
| Daytime high | 15° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 15 | 15 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Netherlands in October: the best places
In October, Wassenaar ranks 18 among the 31 nearest destinations in this country.
- Naarden15°53
- 2Laren15°53
- 3Brielle15°50
- 4Woerden15°49
- 5Dordrecht15°49
- 6Utrecht15°49
- 7Gorinchem15°49
- 8Hilversum15°49
- 18WassenaarThis page15°44
Places nearby
Near Wassenaar
Other destinations close by.
Places with a similar climate
Places with a climate like Wassenaar
Destinations whose weather through the year is closest to Wassenaar's – good alternatives.
Frequently asked questions about Wassenaar
When is the best time to visit Wassenaar?
The best time to visit Wassenaar is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Wassenaar?
August is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 7 °C.
When does it rain most in Wassenaar?
Rain is frequent from October to January; the wettest month is October with 100 mm. The driest month is April with 47 mm.
How many hours of sunshine does Wassenaar get?
Wassenaar gets around 1,850 hours of sunshine a year. The sunniest month is May with 7.8 hours a day; in December there are 1.8 hours a day.
What time zone is Wassenaar in?
Wassenaar is on UTC+1 in January and UTC+2 in July.
Which school holidays are best for Wassenaar?
Wassenaar has its best school-holiday weather during May half-term (score 78) and its weakest during the Christmas holidays (score 8). Holiday ratings (0–100): Easter holidays 51, May half-term 78, summer holidays 73, October half-term 44, Christmas holidays 8.