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Weather in Collin County for May 2025

Your guide to Collin County weather in May - trends and predictions
  • In general, the average temperature in Collin County at the beginning of May is 27.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 30.1 °F by the end of May.

  • The climate of Collin County in May is notably wet, with an average of 11 rainy days.

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Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/18°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Collin County in May average weather

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Temperatures trend during May in Collin County

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Cloudy
Cloudy
25° /17° 2.5 mm 6
May 2 Cloudy
Cloudy
26° /15° 5.4 mm 6
May 3 Overcast
Overcast
26° /16° 9.2 mm 6
May 4 Overcast
Overcast
27° /18° 5.2 mm 6
May 5 Patchy rain possible
Patchy rain possible
29° /18° 28 mm 7
May 6 Patchy rain possible
Patchy rain possible
28° /19° 5.9 mm 7
May 7 Patchy rain possible
Patchy rain possible
30° /20° 2.4 mm 7
May 8 Patchy rain possible
Patchy rain possible
31° /20° 2.4 mm 7
May 9 Moderate rain at times
Moderate rain at times
28° /19° 0.9 mm 6
May 10 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /17° 6.6 mm 5
May 11 Patchy rain possible
Patchy rain possible
25° /16° 0.4 mm 6
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
24° /18° 13.3 mm 5
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /20° 13.5 mm 6
May 14 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /17° 16.4 mm 7
May 15 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /18° 5.7 mm 7
May 16 Patchy rain possible
Patchy rain possible
26° /18° 5.3 mm 6
May 17 Sunny
Sunny
27° /17° 2.4 mm 7
May 18 Partly cloudy
Partly cloudy
30° /18° 0 mm 8
May 19 Heavy rain at times
Heavy rain at times
31° /20° 11.2 mm 8
May 20 Overcast
Overcast
27° /19° 1.2 mm 7
May 21 Cloudy
Cloudy
25° /18° 0.1 mm 6
May 22 Overcast
Overcast
29° /20° 1.9 mm 7
May 23 Moderate rain at times
Moderate rain at times
28° /19° 5.6 mm 6
May 24 Heavy rain at times
Heavy rain at times
30° /20° 0.9 mm 7
May 25 Cloudy
Cloudy
30° /19° 0 mm 7
May 26 Partly cloudy
Partly cloudy
33° /20° 0.1 mm 9
May 27 Partly cloudy
Partly cloudy
31° /19° 0.6 mm 8
May 28 Partly cloudy
Partly cloudy
30° /19° 3.3 mm 7
May 29 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /19° 3.1 mm 6
May 30 Overcast
Overcast
30° /21° 1.3 mm 7
May 31 Patchy rain possible
Patchy rain possible
29° /19° 8.4 mm 7
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Important Notice
Our weather forecast for Collin County in May 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.

Collin County in May - FAQ

What are the expected maximum and minimum temperatures in Collin County during May?
During May, expect a variety of temperatures with highs around 29° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Collin County during May?
Significant rainfall exceeding 296 mm is expected in Collin County during May, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Collin County during May?
The average wind speed in Collin County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates 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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