New Castle Weather: May
 |
Average Day Temperature: | 71.1°F |
|
Average Night Temperature: | 57.1°F |
|
Sea Water Temperature: | 63.0°F |
|
Number of Sunny Days: | 11 days |
| Sunshine Hours: | 13.9 - 14.8 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.8 in | |
| detailed information | ||
forecast
| New Castle |
Temperature
| New Castle |
Air Temperature in May, °F
The highest day temperature in May 2025 was 90°F. The lowest night temperature was 48°F. The average values for day and night temperatures during May were 73.0°F и 58.4°F respectivly.
New Castle Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for New Castle was 64.4°F. The maximum and minimum values were 62.2°F and 66.8°F respectively.
You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in May, in
Precipitation total in May for New Castle is 0.8 in. It makes may one of the least rainy months of the year.
The average wind speed in May is 7.7 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for New Castle in May is 7.3 hours.
New Castle on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0600 |  |
24°F | W 3 mph |
| 0900 |  |
22°F | NW 6 mph |
| 1200 | |
26°F | NW 2 mph |
| 1500 |  |
28°F | NW 2 mph |
| 1800 | |
28°F | S 2 mph |
| 2100 | |
26°F | SW 2 mph |
| 0000 | |
28°F | S 2 mph |
| 0300 | |
28°F | SE 3 mph |