Last updated: June 24, 2025
In May, the average temperature in Walnut Grove, United States is a pleasant 19°C (67°F), with a minimum of 4°C (39°F) and a maximum soaring to 34°C (93°F). Expect about 175 mm (6.9 in) of precipitation spread over 14 days, contributing to an average humidity level of 83%. Stay prepared for a mix of warmth and occasional rain while enjoying this vibrant destination!
In May in Walnut Grove, the average temperature is 19°C (67°F) with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (39°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both warm and cool experiences.
In Walnut Grove in May, the precipitation amount is 175 mm (6.9 in) over a span of 14 days.
In Walnut Grove in May humidity is 83%. With an average temperature of 19°C (67°F), this humidity feels like a warm, tropical blanket wrapping around you, making traveling feel a bit sluggish and sticky, yet still inviting as long as you stay hydrated and take breaks in the shade.
In Walnut Grove in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Walnut Grove.
UV Risk Categories
Weather in Walnut Grove varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Walnut Grove, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 75 mm (3.0 inches) | 81% | moderate |
| February Weather | 3°C (38°F) | 70 mm (2.8 inches) | 78% | high |
| March Weather | 9°C (49°F) | 133 mm (5.3 inches) | 76% | high |
| April Weather | 13°C (56°F) | 137 mm (5.4 inches) | 78% | very high |
| May Weather | 19°C (67°F) | 175 mm (6.9 inches) | 83% | very high |
| June Weather | 25°C (77°F) | 79 mm (3.1 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 95 mm (3.7 inches) | 78% | extreme |
| August Weather | 25°C (77°F) | 121 mm (4.8 inches) | 68% | very high |
| September Weather | 23°C (73°F) | 58 mm (2.3 inches) | 64% | very high |
| October Weather | 15°C (59°F) | 126 mm (5.0 inches) | 70% | high |
| November Weather | 8°C (47°F) | 62 mm (2.5 inches) | 83% | moderate |
| December Weather | 5°C (42°F) | 45 mm (1.8 inches) | 87% | moderate |