Grand Island
May
Weather in Grand Island for May 2025
Your guide to Grand Island weather in May - trends and predictions
In general, the average temperature in Grand Island at the beginning of May is 19.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 21 °F by the end of May.
Grand Island in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 151.2 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
21°/12°
Temperatures
25 km/h
Avg max wind
68 %
Avg humidity
Grand Island in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  20° | 3  21° | 4  17° | |||
| 5  19° | 6  20° | 7 20° | 8 16° | 9  17° | 10  20° | 11 24° |
| 12 17° | 13 16° | 14 22° | 15 21° | 16 23° | 17 25° | 18 23° |
| 19  23° | 20 25° | 21 20° | 22 22° | 23  27° | 24 19° | 25 22° |
| 26 17° | 27 24° | 28 24° | 29 22° | 30 17° | 31 21° |
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Temperatures trend during May in Grand Island
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 | Moderate or heavy rain with thunder | 20° /12° | 4.2 mm | 5 | |
| May 2 | Patchy rain possible | 20° /11° | 2.7 mm | 5 | |
| May 3 | Partly cloudy | 21° /8° | 9.9 mm | 6 | |
| May 4 | Cloudy | 17° /7° | 28.7 mm | 4 | |
| May 5 | Sunny | 19° /7° | 0 mm | 5 | |
| May 6 | Patchy light rain | 20° /13° | 1.6 mm | 5 | |
| May 7 | Patchy rain possible | 20° /10° | 0 mm | 5 | |
| May 8 | Cloudy | 16° /9° | 0 mm | 4 | |
| May 9 | Thundery outbreaks possible | 17° /8° | 1.3 mm | 4 | |
| May 10 | Overcast | 20° /10° | 0 mm | 5 | |
| May 11 | Cloudy | 24° /11° | 0 mm | 5 | |
| May 12 | Light rain shower | 17° /13° | 4.1 mm | 4 | |
| May 13 | Light rain shower | 16° /13° | 23.4 mm | 4 | |
| May 14 | Sunny | 22° /10° | 0.4 mm | 6 | |
| May 15 | Light rain shower | 21° /13° | 8.5 mm | 5 | |
| May 16 | Sunny | 23° /12° | 0.3 mm | 6 | |
| May 17 | Sunny | 25° /13° | 0 mm | 7 | |
| May 18 | Partly cloudy | 23° /16° | 0 mm | 6 | |
| May 19 | Patchy light rain with thunder | 23° /13° | 10.3 mm | 5 | |
| May 20 | Patchy light drizzle | 25° /14° | 0.7 mm | 6 | |
| May 21 | Light rain shower | 20° /12° | 9.8 mm | 5 | |
| May 22 | Partly cloudy | 22° /9° | 0 mm | 6 | |
| May 23 | Moderate rain at times | 27° /13° | 1.2 mm | 6 | |
| May 24 | Cloudy | 19° /9° | 0.1 mm | 4 | |
| May 25 | Partly cloudy | 22° /12° | 2.5 mm | 6 | |
| May 26 | Light rain shower | 17° /13° | 7.8 mm | 4 | |
| May 27 | Partly cloudy | 24° /11° | 0 mm | 6 | |
| May 28 | Sunny | 24° /11° | 0 mm | 6 | |
| May 29 | Patchy rain possible | 22° /12° | 0.1 mm | 5 | |
| May 30 | Moderate or heavy rain with thunder | 17° /15° | 22 mm | 4 | |
| May 31 | Moderate or heavy rain shower | 21° /16° | 11.4 mm | 5 | |
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Important Notice
Our weather forecast for Grand Island 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 Grand Island forecast closer to your planned date for the most up-to-date weather information.
Grand Island in May - FAQ
What are the expected maximum and minimum temperatures in Grand Island during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grand Island during May?
Significant rainfall exceeding 151.2 mm is expected in Grand Island during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grand Island during May?
The average wind speed in Grand Island during May is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Grand Island
Explore the daily rainfall trends and prepare for Grand Islands May weather 💧
UV exposure in Grand Island during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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