Hemer Weather in May
Hemer in May
The short of it: Hemer in May averages a high of 18 °C (65 °F) and a low of 8 °C (46 °F), with 70 mm (2.8 in) of rain and about 15 h 34 min of daylight. Rated 4 of 5 for a visit; the best months are May and July. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 8° · rain 70 mm · daylight 15 h 34 min
✦✦✦✦ Recommended for a visit · best months: May & July
Thirty years of records give Hemer an average May high of 18°, a low of 8° and some 70 mm of rain. Highs rise 4° against April, to near 18°; nights run about 8°. Wet spells are common — about 70 mm, the 11th wettest month.
The sun is up for about 15 h 34 min in mid-May, 107 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 4 of 5 for a visit; it is the best month of the year to come.
Against its neighbours, Hemer runs cooler than most and about as wet in May. Iserlohn, 5 km to the WSW, sees much the same highs.
May in Hemer, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 11th wettest of 12
- Versus April
- 4° warmer, 16 mm more rain
- Versus June
- 3° colder
- Day–night spread
- 11°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 15 h 34 min
- Average wind
- 12 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| IserlohnNorth Rhine-Westphalia | 5 km WSW | 18° | 8° | 68 mm |
| UnnaNorth Rhine-Westphalia | 18 km NNW | 19° | 8° | 65 mm |
| HagenNorth Rhine-Westphalia | 21 km W | 19° | 8° | 68 mm |
| LüdenscheidNorth Rhine-Westphalia | 21 km SSW | 17° | 8° | 74 mm |
| ArnsbergNorth Rhine-Westphalia | 22 km E | 18° | 7° | 73 mm |
| DortmundNorth Rhine-Westphalia | 25 km NW | 20° | 9° | 64 mm |
| WittenNorth Rhine-Westphalia | 30 km WNW | 19° | 9° | 66 mm |
| LünenNorth Rhine-Westphalia | 30 km NNW | 20° | 8° | 60 mm |