Ballwin, United States — Weather in March 2027

Climate Overview

Ballwin, United States in March has mild conditions, with highs averaging 14.5°C (58°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Temperatures drop noticeably between day and night.

This month falls at the beginning of Spring.

Daily highs in March gradually rise from around 13°C (56°F) at the start to 17°C (63°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 8.4h of sunshine at the start of March, decreasing to 7.4h by the end.

The warmest days tend to fall around the 31th, averaging 17.5°C (64°F).

Compared to February, this month is about 6°C warmer with 4 more rainy days. Temperatures will rise further into April.

Monthly March Averages

Temperature

15°C / 4°C

Feels Like

12°C / 1°C

Rain

12 days · 118 mm

Sunshine

7.6h / day

Humidity

66% — Humid

Wind

19 km/h

Wind Direction

SW (220°)

Gusts

44 km/h

Daylight

12 h

Cloud Cover

62%

Clear Sky Days

4.2

UV Index

5.2 — High

Dew Point

3°C — Dry

Moon Phase

First Quarter · 46%

Snow Days

1 days · 1.4 cm

Frost Days

5 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:15

Daylight 11.9h

Sunset 19:10

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

3 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	5°C / -3°C	1°C / -8°C	8days (75 mm) Wet	5.7h Fair	69% Muggy	2.6 Moderate	Poor	View Details
February	9°C / -1°C	5°C / -6°C	8days (69 mm) Wet	7h Good	67% Muggy	3.7 Moderate	Poor	View Details
March	15°C / 4°C	12°C / 1°C	12days (118 mm) Wet	7.6h Good	66% Muggy	5.2 High	Fair	View Details
April	19°C / 9°C	18°C / 6°C	12days (129 mm) Wet	9h Good	65% Muggy	5.8 High	Good	View Details
May best	24°C / 15°C	25°C / 14°C	14days (129 mm) Wet	10h Excellent	72% Muggy	6.9 High	Excellent	View Details
June best	30°C / 20°C	33°C / 21°C	10days (89 mm) Wet	12.1h Excellent	67% Muggy	7.4 Very High	Excellent	View Details
July	31°C / 22°C	35°C / 25°C	13days (107 mm) Wet	12h Excellent	72% Muggy	7.4 Very High	Fair	View Details
August best	30°C / 21°C	33°C / 23°C	11days (117 mm) Wet	11h Excellent	72% Muggy	6.8 High	Good	View Details
September best	28°C / 18°C	29°C / 19°C	7days (74 mm) Good	10.3h Excellent	68% Muggy	5.8 High	Excellent	View Details
October best	21°C / 12°C	20°C / 10°C	9days (83 mm) Wet	7.9h Good	67% Muggy	4.4 Moderate	Good	View Details
November	13°C / 5°C	10°C / 1°C	8days (70 mm) Wet	6.9h Fair	68% Muggy	3 Moderate	Fair	View Details
December	8°C / 0°C	5°C / -4°C	8days (59 mm) Wet	5.8h Fair	70% Muggy	2.3 Moderate	Poor	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is March a good time to visit Ballwin?

March is typically fair for visiting Ballwin, with average highs of 15°C (58°F) and around 12 rainy days. Ballwin, United States in March has mild conditions, with highs averaging 14.5°C (58°F) and noticeably cooler mornings.

Does it rain a lot in Ballwin in March?

Ballwin typically sees around 12 rainy days in March with 118 mm (4.6 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Ballwin in March?

Yes, nights in Ballwin during March are cold, averaging 4°C (40°F). Pack warm layers and a coat for evenings.

What should I pack for Ballwin in March?

With highs of 15°C (58°F) and lows of 4°C (40°F) in March, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is March among the best months weather-wise in Ballwin?

March is not the most favourable month weather-wise in Ballwin. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Ballwin in March?

The average UV index in Ballwin during March is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Ballwin in March?

Ballwin gets approximately 12 hours of daylight per day in March, with around 8 hours of sunshine.

Does it snow in Ballwin in March?

Yes, Ballwin typically sees around 1 snow days in March with roughly 1 cm (1 in) of snowfall.

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