Collin County (Plano)
March
Weather in Collin County, Texas for March 2026
Your guide to Collin County weather in March - trends and predictions
In general, the average temperature in Collin County at the beginning of March is 23.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.3 °F by the end of March.
Collin County in March brings notable rainfall, with an average of 16 rainy days and a total precipitation of 98.3 mm.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
21°/10°
Temperatures
26 km/h
Avg max wind
65 %
Avg humidity
Collin County Weather March
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Temperatures trend during March in Collin County
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March weather in Collin County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 |  Sunny | 22° /10° | 0.2 mm | 6 | |
| Mar. 2 |  Light rain shower | 25° /11° | 0.3 mm | 6 | |
| Mar. 3 |  Partly cloudy | 22° /12° | 0 mm | 6 | |
| Mar. 4 | Sunny | 23° /13° | 3.3 mm | 5 | |
| Mar. 5 |  Fog | 23° /10° | 0.8 mm | 6 | |
| Mar. 6 |  Overcast | 23° /10° | 0.2 mm | 5 | |
| Mar. 7 | Fog | 24° /14° | 1.4 mm | 5 | |
| Mar. 8 | Mist | 20° /10° | 2.4 mm | 5 | |
| Mar. 9 | Overcast | 17° /8° | 2 mm | 4 | |
| Mar. 10 | Fog | 20° /5° | 1.1 mm | 5 | |
| Mar. 11 | Overcast | 23° /10° | 0.2 mm | 6 | |
| Mar. 12 | Overcast | 21° /11° | 0.3 mm | 5 | |
| Mar. 13 | Overcast | 21° /10° | 0.1 mm | 5 | |
| Mar. 14 | Overcast | 21° /12° | 3 mm | 5 | |
| Mar. 15 | Overcast | 21° /10° | 0.5 mm | 4 | |
| Mar. 16 | Light rain shower | 20° /8° | 2.2 mm | 5 | |
| Mar. 17 | Overcast | 20° /7° | 0.2 mm | 4 | |
| Mar. 18 | Partly cloudy | 19° /7° | 0 mm | 5 | |
| Mar. 19 | Sunny | 18° /6° | 0 mm | 5 | |
| Mar. 20 | Overcast | 17° /5° | 0 mm | 4 | |
| Mar. 21 | Light rain shower | 19° /9° | 7.4 mm | 5 | |
| Mar. 22 | Overcast | 24° /13° | 1.1 mm | 6 | |
| Mar. 23 | Patchy rain possible | 24° /14° | 0.6 mm | 5 | |
| Mar. 24 |  Moderate or heavy rain with thunder | 24° /12° | 5.3 mm | 6 | |
| Mar. 25 | Fog | 26° /11° | 1.4 mm | 6 | |
| Mar. 26 |  Cloudy | 21° /9° | 15 mm | 5 | |
| Mar. 27 | Overcast | 18° /8° | 17.7 mm | 4 | |
| Mar. 28 | Light rain shower | 20° /9° | 28 mm | 5 | |
| Mar. 29 | Overcast | 23° /12° | 0 mm | 5 | |
| Mar. 30 | Light rain shower | 23° /14° | 1.3 mm | 5 | |
| Mar. 31 | Light rain shower | 25° /15° | 2.5 mm | 6 | |
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Important Notice
Our weather forecast for Collin County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Collin County forecast closer to your planned date for the most up-to-date weather information.
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Collin County in March - FAQ
What are the expected maximum and minimum temperatures in Collin County during March?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Collin County during March?
Moderate rainfall is anticipated in Collin County during March, with a total of 98.3 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Collin County during March?
The average wind speed in Collin County during March is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in Collin County
Explore the daily rainfall trends and prepare for Collin Countys March weather 💧
UV exposure in Collin County during March
Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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Where is Collin County?Get accurate weather forecasts for Collin County, located at latitude 33.02 and longitude -96.699. Stay updated with localized weather information tailored for Collin County.
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