St. Thomas Weather in June
St. Thomas in June
The short of it: St. Thomas in June averages a high of 24 °C (75 °F) and a low of 13 °C (56 °F), with 92 mm (3.6 in) of rain and about 15 h 19 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 24° · low 13° · rain 92 mm · daylight 15 h 19 min
✦✦✦ Fair for a visit · best months: September & June
Thirty years of records give St. Thomas an average June high of 24°, a low of 13° and some 92 mm of rain. Highs rise 5° against May, to near 24°; nights run about 13°. It is the wettest month of the year here, about 92 mm.
The sun is up for about 15 h 19 min in mid-June, 42 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 June 3 of 5 for a visit; the finest months here are September and June.
Against its neighbours, St. Thomas runs cooler than most and wetter than most in June. Aylmer, 16 km to the E, sees much the same highs.
June in St. Thomas, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 1st wettest of 12
- Versus May
- 5° warmer, 0.0 mm more rain
- Versus July
- 2° colder
- Day–night spread
- 11°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 15 h 19 min
- Average wind
- 11 km/h
Neighbouring Towns
June averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| AylmerOntario | 16 km E | 24° | 13° | 91 mm |
| LondonOntario | 24 km N | 25° | 14° | 89 mm |
| DorchesterOntario | 25 km NNE | 24° | 13° | 88 mm |
| IngersollOntario | 38 km NE | 24° | 13° | 87 mm |
| TillsonburgOntario | 38 km ENE | 24° | 13° | 87 mm |
| StrathroyOntario | 41 km WNW | 25° | 13° | 81 mm |
| St. MarysOntario | 53 km N | 24° | 13° | 80 mm |
| WoodstockOntario | 53 km NE | 24° | 13° | 84 mm |