Dedham Weather in May
Dedham in May
The short of it: Dedham in May averages a high of 20 °C (69 °F) and a low of 8 °C (47 °F), with 82 mm (3.2 in) of rain and about 14 h 34 min of daylight. Rated 3 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 69° · low 47° · rain 3.2 in. · daylight 14 h 34 min
✦✦✦ Fair for a visit · best months: September & June
Thirty years of records give Dedham an average May high of 69°, a low of 47° and some 3.2 in. of rain. Highs rise 11° against April, to near 69°; nights run about 47°. It is the driest month of the year, only 3.2 in. of rain.
The sun is up for about 14 h 34 min in mid-May, 75 minutes more than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are September and June.
Against its neighbours, Dedham runs cooler than most and wetter than most in May. Mattapan, 5 mi to the ENE, sees much the same highs.
May in Dedham, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 12th wettest of 12
- Versus April
- 11° warmer, 0.7 in. less rain
- Versus June
- 9° colder
- Day–night spread
- 22°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 14 h 34 min
- Average wind
- 9 mph
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| MattapanMassachusetts | 5 mi ENE | 69° | 47° | 3.2 in. |
| Jamaica PlainMassachusetts | 5 mi NNE | 69° | 48° | 3.2 in. |
| DorchesterMassachusetts | 6 mi NE | 69° | 48° | 3.2 in. |
| BrooklineMassachusetts | 7 mi NNE | 69° | 48° | 3.2 in. |
| NewtonMassachusetts | 7 mi NNW | 69° | 47° | 3.3 in. |
| BrightonMassachusetts | 7 mi N | 70° | 48° | 3.3 in. |
| Fenway/KenmoreMassachusetts | 8 mi NNE | 70° | 48° | 3.2 in. |
| QuincyMassachusetts | 8 mi E | 69° | 48° | 3.2 in. |