Monthly climate averages for Sudbury, United States. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewSudbury, United States in June has warm conditions, with highs averaging 25.2°C (77°F). Rain falls on about 11 days this month.
This month falls at the beginning of Summer.
Daily highs in June gradually rise from around 23°C (73°F) at the start to 27°C (81°F) by month's end.
June sees fairly even rainfall, totalling about 78 mm across the month.
The warmest days tend to fall around the 25th, averaging 27.5°C (82°F).
Compared to May, this month is about 6°C warmer with 0 fewer rainy days. Temperatures will rise further into July.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 25°C (77°F) are ideal for full-day outdoor exploration.
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.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -5°C | -2°C / -10°C | 9days (87 mm) Wet | 5.9h Fair | 67% Muggy | 2.2 Moderate | Poor | View Details |
| February | 5°C / -4°C | 1°C / -9°C | 9days (79 mm) Wet | 6.8h Fair | 69% Muggy | 3.2 Moderate | Poor | View Details |
| March | 8°C / -1°C | 5°C / -5°C | 10days (98 mm) Wet | 7.8h Good | 66% Muggy | 4.3 Moderate | Poor | View Details |
| April | 14°C / 4°C | 11°C / 1°C | 12days (103 mm) Wet | 8.4h Good | 68% Muggy | 5.1 High | Fair | View Details |
| May | 20°C / 10°C | 19°C / 8°C | 11days (93 mm) Wet | 9.5h Good | 72% Muggy | 6.1 High | Good | View Details |
| June best | 25°C / 16°C | 26°C / 15°C | 11days (78 mm) Wet | 10.8h Excellent | 71% Muggy | 6.7 High | Excellent | View Details |
| July best | 29°C / 19°C | 31°C / 21°C | 12days (102 mm) Wet | 11.1h Excellent | 72% Muggy | 6.9 High | Excellent | View Details |
| August best | 28°C / 19°C | 29°C / 20°C | 11days (85 mm) Wet | 10.6h Excellent | 72% Muggy | 6.3 High | Excellent | View Details |
| September best | 23°C / 15°C | 24°C / 15°C | 8days (85 mm) Wet | 8.5h Good | 75% Muggy | 5.1 High | Excellent | View Details |
| October | 17°C / 10°C | 16°C / 7°C | 10days (102 mm) Wet | 6.9h Fair | 75% Muggy | 3.8 Moderate | Good | View Details |
| November | 10°C / 3°C | 7°C / -1°C | 9days (78 mm) Wet | 6.5h Fair | 71% Muggy | 2.6 Moderate | Poor | View Details |
| December | 5°C / -2°C | 1°C / -7°C | 10days (118 mm) Wet | 5.5h Fair | 71% Muggy | 1.9 Low | Poor | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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