Weather in Frederick County for May 2025
Flood Warning - See hour by hour.
Until now, May 2025 in Frederick County has been nearly identical to the historical average, with a temperature of 21.2 °F (showing only a slight deviation of 0.4 °F).
Expect cooler weather in the next days in Frederick County with the forecast suggesting a temperature of 19.5 °F, lower than the historical average.
In general, the average temperature in Frederick County at the beginning of May is 21.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 20 °F by the end of May.
Frederick County in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 183.8 mm.
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Frederick County Weather May
Temperatures trend during May in Frederick County
May weather in Frederick County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 22° /12° | 0.1 mm | 5 | |
| May 2 |  Cloudy | 26° /15° | 0 mm | 6 | |
| May 3 |  Partly cloudy | 25° /13° | 0.1 mm | 6 | |
| May 4 |  Light rain | 16° /13° | 15.1 mm | 4 | |
| May 5 |  Moderate rain | 20° /13° | 16.8 mm | 5 | |
| May 6 | Patchy light drizzle | 22° /16° | 3.6 mm | 5 | |
| May 7 | Light rain shower | 22° /14° | 1.6 mm | 5 | |
| May 8 |  Thundery outbreaks possible | 24° /13° | 0.3 mm | 5 | |
| May 9 | Light rain shower | 18° /11° | 27.5 mm | 4 | |
| May 10 | Light rain shower | 18° /7° | 7.7 mm | 4 | |
| May 11 | Light rain shower | 19° /8° | 1.3 mm | 5 | |
| May 12 | Light rain shower | 17° /8° | 2.6 mm | 4 | |
| May 13 |  Mist | 21° /10° | 18 mm | 5 | |
| May 14 |  Heavy rain | 23° /15° | 22.9 mm | 1.2 | |
| May 15 | Patchy rain possible | 26° /16° | 4.3 mm | 1.3 | |
| May 16 | Heavy rain | 27° /17° | 36.5 mm | 1.4 | |
| May 17 |  Overcast | 26° /15° | 0 mm | 1.6 | |
| May 18 | Patchy rain possible | 17° /12° | 0.2 mm | 0.1 | |
| May 19 | Cloudy | 20° /8° | 0 mm | 3 | |
| May 20 |  Sunny | 20° /6° | 0 mm | 4 | |
| May 21 | Patchy rain possible | 13° /8° | 2.3 mm | 3 | |
| May 22 | Patchy rain possible | 15° /13° | 3.8 mm | 3 | |
| May 23 | Patchy rain possible | 17° /9° | 1.7 mm | 3 | |
| May 24 | Patchy rain possible | 15° /8° | 0.1 mm | 3 | |
| May 25 | Partly cloudy | 19° /6° | 0 mm | 4 | |
| May 26 | Patchy rain possible | 16° /11° | 1.4 mm | 3 | |
| May 27 | Patchy rain possible | 19° /11° | 1.6 mm | 3 | |
| May 28 | Patchy rain possible | 24° /14° | 0.1 mm | 5 | |
| May 29 | Light rain shower | 20° /11° | 5.6 mm | 5 | |
| May 30 | Patchy rain possible | 21° /11° | 0.2 mm | 5 | |
| May 31 | Sunny | 21° /7° | 0 mm | 6 | |
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Frederick County in May - FAQ
May rainfall patterns in Frederick County
UV exposure in Frederick County during May
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Where is Frederick County?Get accurate weather forecasts for Frederick County, located at latitude 39.414 and longitude -77.411. Stay updated with localized weather information tailored for Frederick County.