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Collinsville Weather in March

March in Collinsville brings moderate temperatures around 14°C (57°F) during the day, dropping to 3°C (37°F) at night, with quite a bit of rainfall expected, averaging around 91 mm (3.6 in) for the month.

Rainfall in Collinsville in March

Expect around 12 days of rain based on historical data, with 91 mm (3.6 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Collinsville in March

March in Collinsville brings typical temperatures with highs around 14°C (57°F) and lows of 3°C (37°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Collinsville in March

With approximately 199 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.

Should you favor a climate that's both dry and comfortably warm, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Collinsville's climate page.

Collinsville Temperature in March

Min TemperatureMin Temperature 3°C (37°F)  
Max TemperatureMax Temperature 14°C (57°F)  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 91 mm (3.6 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 68% *  
SunshineSunshine 199 hours *  
Percentage SunshinePercentage Sunshine 53% *  
* Data from: St. Louis, the United States of America (19 KM, 11 Miles).

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Collinsville in March

The weather can be unpredictable in March, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Collinsville in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Collinsville's climate page.

More climate data for Collinsville