Click on a day for an hourly weather forecast
The weather in Darien in March is very cold with temperatures between 0°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of March in Darien. 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.
You can expect a few days of snow in Darien during March. It’s important to get out your snow boots and warm mittens to stay warm while you explore Darien.
Our weather forecast can give you a great sense of what weather to expect in Darien in March 2025.
If you’re planning to visit Darien in the near future, we highly recommend that you review the 14 day weather forecast for Darien before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -8° | 8 | 18 | 5 | 54 mm | Awful | Darien in January |
| February | 0° / -7° | 8 | 16 | 4 | 62 mm | Awful | Darien in February |
| March | 8° / 0° | 8 | 21 | 3 | 79 mm | Awful | Darien in March |
| April | 14° / 5° | 9 | 21 | 1 | 124 mm | Ok | Darien in April |
| May | 20° / 11° | 10 | 21 | 0 | 134 mm | Ok | Darien in May |
| June | 26° / 17° | 10 | 20 | 0 | 142 mm | Good | Darien in June |
| July | 28° / 19° | 9 | 22 | 0 | 100 mm | Good | Darien in July |
| August | 27° / 19° | 9 | 22 | 0 | 102 mm | Good | Darien in August |
| September | 24° / 15° | 7 | 23 | 0 | 78 mm | Good | Darien in September |
| October | 16° / 9° | 8 | 23 | 0 | 103 mm | Ok | Darien in October |
| November | 9° / 2° | 6 | 24 | 1 | 55 mm | Ok | Darien in November |
| December | 2° / -4° | 7 | 22 | 3 | 62 mm | Awful | Darien in December |