Calais Weather in May
Calais in May
The short of it: Calais in May averages a high of 17 °C (62 °F) and a low of 10 °C (49 °F), with 38 mm (1.5 in) of rain and about 15 h 31 min of daylight. Rated 5 of 5 for a visit; the best months are June and May. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 10° · rain 38 mm · daylight 15 h 31 min
✦✦✦✦✦ Recommended for a visit · best months: June & May
Thirty years of records give Calais an average May high of 17°, a low of 10° and some 38 mm of rain. Much like April: highs about 17°, nights near 10°. A wool coat will serve you well. Rain is modest, about 38 mm, the 10th wettest month.
The sun is up for about 15 h 31 min in mid-May, 105 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots. The Almanac rates May 5 of 5 for a visit; the finest months here are June and May.
Against its neighbours, Calais runs warmer than most and drier than most in May. Gravelines, 19 km to the ENE, sees much the same highs.
May in Calais, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus April
- 3° warmer, 4.0 mm more rain
- Versus June
- 2° colder
- Day–night spread
- 7°
- Snow season
- seldom any
- Daylight, mid-month
- 15 h 31 min
- Average wind
- 20 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| GravelinesHauts-de-France | 19 km ENE | 16° | 10° | 41 mm |
| Saint-Martin-BoulogneHauts-de-France | 30 km SW | 17° | 10° | 38 mm |
| Boulogne-sur-MerHauts-de-France | 30 km SW | 17° | 10° | 38 mm |
| Grande-SyntheHauts-de-France | 32 km ENE | 17° | 10° | 45 mm |
| OutreauHauts-de-France | 33 km SW | 17° | 10° | 39 mm |
| Le PortelHauts-de-France | 34 km SW | 16° | 10° | 39 mm |
| Saint-Pol-sur-MerHauts-de-France | 35 km ENE | 17° | 10° | 44 mm |
| LonguenesseHauts-de-France | 36 km SE | 17° | 9° | 46 mm |