Last updated: June 24, 2025
In West Portsmouth, United States, the average temperature in March hovers around 8°C (47°F). Daily temperatures can fluctuate significantly, with a minimum of -11°C (12°F) and a maximum reaching 28°C (83°F). Expect about 106 mm (4.2 in) of precipitation over 13 days, accompanied by an average humidity of 87%.
In March in West Portsmouth, the average temperature is 8°C (47°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures if you plan to travel during this month!
In West Portsmouth in March, the precipitation amount is 106 mm (4.2 in) spread over a duration of 13 days.
In West Portsmouth in March, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.
In West Portsmouth in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in West Portsmouth.
UV Risk Categories
Weather in West Portsmouth varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in West Portsmouth, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 85 mm (3.3 inches) | 88% | moderate |
| February Weather | 4°C (39°F) | 124 mm (4.9 inches) | 88% | moderate |
| March Weather | 8°C (47°F) | 106 mm (4.2 inches) | 87% | high |
| April Weather | 13°C (55°F) | 128 mm (5.0 inches) | 85% | very high |
| May Weather | 19°C (66°F) | 128 mm (5.0 inches) | 81% | very high |
| June Weather | 23°C (73°F) | 157 mm (6.2 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 107 mm (4.2 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 120 mm (4.7 inches) | 73% | very high |
| September Weather | 21°C (71°F) | 109 mm (4.3 inches) | 73% | very high |
| October Weather | 15°C (60°F) | 116 mm (4.5 inches) | 78% | high |
| November Weather | 7°C (45°F) | 77 mm (3.0 inches) | 89% | moderate |
| December Weather | 4°C (40°F) | 112 mm (4.4 inches) | 87% | moderate |