Monthly climate averages for Bothell, United States. Based on 10-year ERA5 reanalysis data.
Csb Warm-Summer Mediterranean
Climate OverviewBothell, United States in June has warm conditions, with highs averaging 20.8°C (69°F). Rain falls on about 10 days this month.
This month falls at the beginning of Summer.
Daily highs in June gradually rise from around 20°C (68°F) at the start to 24°C (74°F) by month's end.
Rainfall is heaviest during the middle of the month, while the last third tends to be drier.
The warmest days tend to fall around the 27th, averaging 23.8°C (75°F).
Compared to May, this month is about 3°C warmer with 2 fewer rainy days. Temperatures will rise further into July.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 21°C (69°F) are ideal for full-day outdoor exploration.
Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.
1 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 | 8°C / 3°C | 5°C / -1°C | 18days (184 mm) Wet | 4.3h Fair | 84% Humid | 1.2 Low | Wet | View Details |
| February | 8°C / 2°C | 5°C / -1°C | 17days (147 mm) Wet | 5.4h Fair | 83% Humid | 2 Low | Poor | View Details |
| March | 11°C / 4°C | 8°C / 0°C | 17days (129 mm) Wet | 7.6h Good | 81% Humid | 3.4 Moderate | Poor | View Details |
| April | 14°C / 6°C | 12°C / 3°C | 16days (107 mm) Wet | 9.4h Good | 77% Humid | 4.7 Moderate | Fair | View Details |
| May | 18°C / 9°C | 17°C / 7°C | 12days (79 mm) Wet | 11h Excellent | 76% Humid | 5.5 High | Good | View Details |
| June best | 21°C / 12°C | 21°C / 11°C | 10days (70 mm) Wet | 11.7h Excellent | 74% Muggy | 6.3 High | Excellent | View Details |
| July best | 25°C / 14°C | 25°C / 15°C | 5days (21 mm) Good | 12.7h Excellent | 70% Muggy | 6.9 High | Excellent | View Details |
| August best | 25°C / 15°C | 26°C / 15°C | 5days (31 mm) Good | 11.5h Excellent | 71% Muggy | 5.8 High | Excellent | View Details |
| September best | 21°C / 13°C | 21°C / 12°C | 9days (73 mm) Wet | 9.6h Good | 77% Humid | 4.6 Moderate | Excellent | View Details |
| October | 15°C / 9°C | 14°C / 6°C | 16days (151 mm) Wet | 7h Good | 83% Humid | 2.9 Moderate | Fair | View Details |
| November | 10°C / 6°C | 8°C / 3°C | 19days (189 mm) Wet | 4.6h Fair | 85% Humid | 1.6 Low | Wet | View Details |
| December | 7°C / 3°C | 4°C / 0°C | 19days (205 mm) Wet | 3.5h Poor | 85% Humid | 1 Low | Wet | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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