Click on a day for an hourly weather forecast
The temperatures in Harjumaa in August are usually low and can range between 14°C and 20°C.
You can expect rain for roughly half of the month of August in Harjumaa. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Harjumaa in August 2025.
If you’re planning to visit Harjumaa in the near future, we highly recommend that you review the 14 day weather forecast for Harjumaa before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -5° | 7 | 5 | 22 | 83 mm | Awful | Harjumaa in January |
| February | -2° / -5° | 6 | 3 | 21 | 71 mm | Awful | Harjumaa in February |
| March | 1° / -3° | 10 | 5 | 19 | 67 mm | Awful | Harjumaa in March |
| April | 7° / 1° | 7 | 15 | 8 | 60 mm | Awful | Harjumaa in April |
| May | 13° / 6° | 6 | 24 | 1 | 77 mm | Ok | Harjumaa in May |
| June | 18° / 11° | 7 | 23 | 0 | 114 mm | Ok | Harjumaa in June |
| July | 21° / 14° | 8 | 23 | 0 | 131 mm | Ok | Harjumaa in July |
| August | 20° / 14° | 8 | 23 | 0 | 139 mm | Ok | Harjumaa in August |
| September | 16° / 10° | 7 | 23 | 0 | 106 mm | Ok | Harjumaa in September |
| October | 9° / 5° | 10 | 18 | 4 | 108 mm | Awful | Harjumaa in October |
| November | 5° / 2° | 10 | 12 | 8 | 93 mm | Awful | Harjumaa in November |
| December | 1° / -2° | 9 | 5 | 20 | 91 mm | Awful | Harjumaa in December |