Diemen weather in May

In May, Diemen sees average daytime highs of 17°C and overnight lows near 9°C, with 63 mm of rain across 11.4 wet days and about 15.4 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of May to 16 h 06 min by month's end. Set against the rest of the year, May is Diemen's 3rd-clearest and 7th-windiest month. For the whole year in context, see Diemen's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
63 mm
11.4 wet days
Daylight
15 h 30 min
4:52 AM – 8:21 PM
Cloud cover
65%
3rd clearest
Wind
14 km/h
7th windiest
Solar energy
5.18 kWh/m²
Travel score
5.3
out of 10

Diemen is town and municipality in the Netherlands.

Density
1,736/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Diemen reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 24°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1167
2168
3168
4168
5168
6168
7168
8168
9168
10178
11179
12179
13179
14179
15179
16179
17179
18179
19179
20189
211810
221810
231810
241810
251810
261810
271810
281810
291910
301911
311911

How May really feels in Diemen

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Diemen weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6312.4180.3
Feb / 5210.41.49.50.6
Mar10° / 5411.10.711.52.0
Apr14° / 5011.1013.63.7
May17° / 6311.4015.45.3
Jun20° / 12°6711.7016.55.8
Jul22° / 14°8213.4016.16.1
Aug22° / 14°8112.9014.56.1
Sep18° / 11°6911.9012.45.5
Oct14° / 6612.4010.33.8
Nov / 6112.50.38.51.8
Dec / 7012.91.17.50.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43862
53862
63862
73862
83862
93961
103961
114060
124060
134060
144060
153961
163961
173961
183961
193961
203862
213862
223862
233862
243862
253862
263862
273862
283862
293763
303763
313763

Chance of precipitation in May

Any precipitation

Diemen gets around 63 mm of rain over 11.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
438
538
637
737
836
936
1035
1135
1235
1335
1435
1535
1635
1735
1835
1936
2036
2136
2237
2337
2437
2537
2637
2738
2838
2939
3039
3140

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59730
69730
79640
89640
99640
109550
119550
129550
139460
149460
159271
169271
179271
189181
199181
209091
218992
2288102
2387112
2486122
2585123
2684133
2783143
2881154
2980164
3078175
3177185

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 36 min at the start of May to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 5:19 AM to 4:33 AM, and sunset from 7:56 PM to 8:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:197:56
214.75:177:57
314.75:157:59
414.85:138:01
514.95:118:03
614.95:098:04
715.05:088:06
815.05:068:08
915.15:048:09
1015.15:028:11
1115.25:008:13
1215.34:598:14
1315.34:578:16
1415.44:558:17
1515.44:548:19
1615.54:528:21
1715.54:518:22
1815.64:498:24
1915.64:488:25
2015.74:468:27
2115.74:458:28
2215.84:448:30
2315.84:428:31
2415.94:418:33
2515.94:408:34
2615.94:398:35
2716.04:378:37
2816.04:368:38
2916.14:358:39
3016.14:348:40
3116.14:338:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.37 kWh/m² in June across the year — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Diemen?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Diemen for sightseeing.

What to pack for Diemen in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Diemen sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Diemen in May

The nearest coast averages about 12°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 km away) is warmest in August at about 19°C and coldest in February near 5°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan6Bracing
Feb5Bracing
Mar6Bracing
Apr8Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct15Bracing
Nov11Bracing
Dec8Bracing

UV index in Diemen in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diemen peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Diemen?

Diemen sits at 52.3°N, 5.0°E, 2 m above sea level, in The Netherlands. The nearest listed city is Amsterdam-Zuidoost, 4.0 km away.

Topography around Diemen

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Diemen.

Within 3 km, the terrain around Diemen has only modest variations in elevation — a maximum elevation change of 34 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 41 m; within 80 km, only modest variations in elevation — a maximum elevation change of 139 m.

The land around Diemen is covered by artificial surfaces (46%) and trees (31%) within 3 km, grassland (35%), artificial surfaces (23%) and water (22%) within 16 km, and water (32%) and grassland (30%) within 80 km.

3 km
34 m
16 km
41 m
80 km
139 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Amsterdam-Zuidoost 4.0 km · Amsterdam 6.0 km · Weesp 6.0 km · Amstelveen 8.0 km · Badhoevedorp 12 km · Zaandam 14 km · Naarden 14 km · Uithoorn 15 km

The Netherlands travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 84% of US
price level, 2025
GDP per capita
$73,684
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 624
Religion
none 54%Roman Catholic 20%Protestant 15%other 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Diemen (52.3396°, 4.9626°, elevation 2 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).