Click on a day for an hourly weather forecast
The weather in Morristown in August is hot. The average temperatures are between 18°C and 30°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect rain for roughly half of the month of August in Morristown. 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 Morristown in August 2025.
If you’re planning to visit Morristown in the near future, we highly recommend that you review the 14 day weather forecast for Morristown before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / -2° | 9 | 20 | 2 | 109 mm | Awful | Morristown in January |
| February | 10° / 0° | 9 | 17 | 2 | 124 mm | Awful | Morristown in February |
| March | 14° / 4° | 9 | 21 | 1 | 117 mm | Ok | Morristown in March |
| April | 20° / 8° | 8 | 22 | 0 | 106 mm | Ok | Morristown in April |
| May | 24° / 13° | 10 | 21 | 0 | 114 mm | Good | Morristown in May |
| June | 29° / 17° | 10 | 20 | 0 | 104 mm | Ok | Morristown in June |
| July | 30° / 19° | 13 | 18 | 0 | 115 mm | Ok | Morristown in July |
| August | 30° / 18° | 10 | 22 | 0 | 89 mm | Ok | Morristown in August |
| September | 27° / 16° | 7 | 23 | 0 | 94 mm | Good | Morristown in September |
| October | 20° / 9° | 6 | 25 | 0 | 97 mm | Good | Morristown in October |
| November | 14° / 3° | 6 | 24 | 0 | 98 mm | Good | Morristown in November |
| December | 10° / 1° | 9 | 22 | 1 | 128 mm | Bad | Morristown in December |