Weather in United States in March

March in United States is a coat month. Treat it as cities, food and short walks, not as a terrace holiday.

A country pin in March is a warning: one region of United States will not match another. Use a city page if you already know where you are going. Compared with July and January, March sits in the middle of United States's year.

United States
Average temp
6°C

0–13°C

Rainfall
39 mm

Not much rain

Sunshine
Wind
19 km/h

What to expect

Daytime

You want a proper coat in United States in March, not a festival jacket. Wind makes the same afternoon feel sharper than the map suggests.

Outdoor time is the middle of the day. Finish plans before the light goes. Evenings are for indoors.

Rain

Mixed skies in United States in March. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.

Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.

Evening

Evenings are cooler. A layer helps after sunset.

What to pack

  • A layer for cooler evenings

Average weather in United States

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

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FAQs about United States

Climate averages for United States, 1991–2020.

The best time to visit United States is between May and October, the most comfortable stretch of the year on these averages.

July is the hottest month, with an average around 26°C.

May is the wettest month, with about 112 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.