Hemer, Germany — Weather in May 2027

Monthly climate averages for Hemer, Germany. Based on 10-year ERA5 reanalysis data.

Cfb Oceanic
7 /10
Good

May is a good month in Hemer

Climate Overview

Hemer, Germany in May has mild conditions, with highs averaging 17.4°C (63°F) and noticeably cooler mornings. Rain falls on about 12 days this month.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 15°C (58°F) at the start to 19°C (67°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 9.9h of sunshine at the start of May, increasing to 11.4h by the end.

The warmest days tend to fall around the 31th, averaging 19.8°C (68°F).

Compared to April, this month is about 4°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

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Monthly May Averages

Temperature
17°C / 9°C
Feels Like
16°C / 6°C
Rain
12 days · 69 mm
Sunshine
10.8h / day
Humidity
72% — Humid
Wind
16 km/h
Wind Direction
NNW (327°)
Gusts
35 km/h
Daylight
15.6 h
Cloud Cover
63%
Clear Sky Days
3
UV Index
5.8 — High
Dew Point
8°C — Dry
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 20°C 16°C 12°C 8°C 4°C 0°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202531
Rainfall

Daily Sunshine

0h 4h 8h 12h 16h 151015202531
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 05:39
Daylight 15.6h
Sunset 21:14

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
4°C / 0°C
Feels Like
0°C / -4°C
Rain
16days (97 mm) Wet
Sun
3.2h Poor
Humidity
88% Very Muggy
UV
1 Low
Snow Days
8days
View Details
February
Poor
Temp
7°C / 1°C
Feels Like
3°C / -3°C
Rain
14days (82 mm) Wet
Sun
5.1h Fair
Humidity
82% Humid
UV
1.7 Low
Snow Days
5days
View Details
March
Poor
Temp
10°C / 2°C
Feels Like
6°C / -2°C
Rain
13days (70 mm) Wet
Sun
7.1h Good
Humidity
77% Humid
UV
3.4 Moderate
Snow Days
3days
View Details
April
Fair
Temp
13°C / 5°C
Feels Like
10°C / 1°C
Rain
12days (60 mm) Wet
Sun
9.6h Good
Humidity
73% Muggy
UV
4.4 Moderate
Snow Days
2days
View Details
May best
Good
Temp
17°C / 9°C
Feels Like
16°C / 6°C
Rain
12days (69 mm) Wet
Sun
10.8h Excellent
Humidity
72% Muggy
UV
5.8 High
View Details
June best
Excellent
Temp
22°C / 13°C
Feels Like
21°C / 12°C
Rain
10days (74 mm) Wet
Sun
11.3h Excellent
Humidity
71% Muggy
UV
6.3 High
View Details
July best
Excellent
Temp
22°C / 14°C
Feels Like
22°C / 13°C
Rain
13days (84 mm) Wet
Sun
11.1h Excellent
Humidity
71% Muggy
UV
5.8 High
View Details
August best
Excellent
Temp
23°C / 15°C
Feels Like
23°C / 14°C
Rain
13days (73 mm) Wet
Sun
10.3h Excellent
Humidity
73% Muggy
UV
5.3 High
View Details
September best
Good
Temp
19°C / 12°C
Feels Like
18°C / 10°C
Rain
11days (68 mm) Wet
Sun
8.6h Good
Humidity
76% Humid
UV
4.1 Moderate
View Details
October
Fair
Temp
14°C / 9°C
Feels Like
12°C / 6°C
Rain
15days (86 mm) Wet
Sun
5.3h Fair
Humidity
83% Humid
UV
2.3 Moderate
View Details
November
Poor
Temp
9°C / 4°C
Feels Like
6°C / 0°C
Rain
14days (72 mm) Wet
Sun
4h Fair
Humidity
87% Very Muggy
UV
1.3 Low
Snow Days
2days
View Details
December
Poor
Temp
6°C / 2°C
Feels Like
2°C / -2°C
Rain
15days (84 mm) Wet
Sun
2.6h Poor
Humidity
89% Very Muggy
UV
0.8 Low
Snow Days
4days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 4°C / 0°C 0°C / -4°C 16days (97 mm) Wet 3.2h Poor 88% Very Muggy 1 Low Poor View Details
February 7°C / 1°C 3°C / -3°C 14days (82 mm) Wet 5.1h Fair 82% Humid 1.7 Low Poor View Details
March 10°C / 2°C 6°C / -2°C 13days (70 mm) Wet 7.1h Good 77% Humid 3.4 Moderate Poor View Details
April 13°C / 5°C 10°C / 1°C 12days (60 mm) Wet 9.6h Good 73% Muggy 4.4 Moderate Fair View Details
May best 17°C / 9°C 16°C / 6°C 12days (69 mm) Wet 10.8h Excellent 72% Muggy 5.8 High Good View Details
June best 22°C / 13°C 21°C / 12°C 10days (74 mm) Wet 11.3h Excellent 71% Muggy 6.3 High Excellent View Details
July best 22°C / 14°C 22°C / 13°C 13days (84 mm) Wet 11.1h Excellent 71% Muggy 5.8 High Excellent View Details
August best 23°C / 15°C 23°C / 14°C 13days (73 mm) Wet 10.3h Excellent 73% Muggy 5.3 High Excellent View Details
September best 19°C / 12°C 18°C / 10°C 11days (68 mm) Wet 8.6h Good 76% Humid 4.1 Moderate Good View Details
October 14°C / 9°C 12°C / 6°C 15days (86 mm) Wet 5.3h Fair 83% Humid 2.3 Moderate Fair View Details
November 9°C / 4°C 6°C / 0°C 14days (72 mm) Wet 4h Fair 87% Very Muggy 1.3 Low Poor View Details
December 6°C / 2°C 2°C / -2°C 15days (84 mm) Wet 2.6h Poor 89% Very Muggy 0.8 Low Poor View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

May is typically good for visiting Hemer, with average highs of 17°C (63°F) and around 12 rainy days. Hemer, Germany in May has mild conditions, with highs averaging 17.4°C (63°F) and noticeably cooler mornings. Rain falls
Hemer typically sees around 12 rainy days in May with 69 mm (2.7 in) of total rainfall. Pack a waterproof jacket.
Nights in Hemer during May are cool at around 9°C (47°F). Bring a jacket or sweater for evenings.
With highs of 17°C (63°F) and lows of 9°C (47°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, May offers some of the best weather conditions in Hemer with comfortable temperatures and lower chances of rain.
The average UV index in Hemer during May is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Hemer gets approximately 16 hours of daylight per day in May, with around 11 hours of sunshine.
Snow is uncommon in Hemer during May based on 10-year climate averages.

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