Monthly climate averages for Smithfield, United States. Based on 10-year ERA5 reanalysis data.
Dsa Hot-Summer Continental (dry)
Climate OverviewSmithfield, United States in March has cold conditions, with highs averaging around 7.4°C (45°F). Rain falls on about 14 days this month.
This month falls at the beginning of Spring. Cold conditions dominate the month.
Daily highs in March gradually rise from around 6°C (42°F) at the start to 9°C (48°F) by month's end.
Rainfall is heaviest during the last third of the month, while the middle tends to be drier.
The warmest days tend to fall around the 29th, averaging 9.3°C (49°F).
Compared to February, this month is about 5°C warmer with 3 more rainy days. Temperatures will rise further into April.
Daily averages based on historical data (2016–2025)
Cold daytime highs of 7°C (45°F) mean shorter outdoor excursions with warming breaks. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.
Recent yearly records for March have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -8°C | -3°C / -12°C | 11days (74 mm) Wet | 6.5h Fair | 75% Muggy | 3 Moderate | Poor | View Details |
| February | 2°C / -5°C | -1°C / -9°C | 11days (70 mm) Wet | 7.7h Good | 70% Muggy | 3.9 Moderate | Poor | View Details |
| March | 7°C / -2°C | 5°C / -6°C | 14days (74 mm) Wet | 9.3h Good | 69% Muggy | 5.2 High | Poor | View Details |
| April | 14°C / 1°C | 11°C / -2°C | 11days (62 mm) Wet | 10.8h Excellent | 61% Muggy | 6.6 High | Poor | View Details |
| May | 20°C / 6°C | 18°C / 3°C | 12days (60 mm) Wet | 12.1h Excellent | 58% Moderate | 7.5 Very High | Good | View Details |
| June best | 27°C / 12°C | 26°C / 10°C | 7days (27 mm) Good | 13.5h Excellent | 45% Moderate | 8.1 Very High | Excellent | View Details |
| July best | 33°C / 16°C | 32°C / 16°C | 4days (14 mm) Good | 13.4h Excellent | 36% Comfortable | 8.3 Very High | Excellent | View Details |
| August best | 31°C / 15°C | 30°C / 14°C | 7days (33 mm) Good | 12.3h Excellent | 40% Comfortable | 7.5 Very High | Excellent | View Details |
| September best | 26°C / 11°C | 24°C / 9°C | 6days (41 mm) Good | 10.9h Excellent | 45% Moderate | 6.2 High | Excellent | View Details |
| October | 17°C / 4°C | 14°C / 1°C | 8days (51 mm) Wet | 9.1h Good | 55% Moderate | 4.5 Moderate | Fair | View Details |
| November | 8°C / -3°C | 5°C / -6°C | 9days (51 mm) Wet | 7.3h Good | 65% Muggy | 3.1 Moderate | Poor | View Details |
| December | 2°C / -8°C | -1°C / -12°C | 11days (68 mm) Wet | 6.3h Fair | 71% Muggy | 2.3 Moderate | Poor | View Details |
Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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