Norwalk Weather: December
 |
Average Day Temperature: | 39.7°F |
|
Average Night Temperature: | 33.7°F |
|
Sea Water Temperature: | 46.5°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 9.2 - 9.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Norwalk |
Temperature
| Norwalk |
Air Temperature in December, °F
The highest day temperature in December 2025 was 55°F. The lowest night temperature was 12°F. The average values for day and night temperatures during December were 35.3°F и 26.1°F respectivly.
Norwalk Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Norwalk was 44.2°F. The maximum and minimum values were 39.4°F and 50.0°F respectively.
You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Norwalk is 1.5 in. It makes december the most rainy month of the year.
The average wind speed in December is 10.1 mph. It makes December one of the most windy months of the year for Norwalk.
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 Norwalk in December is 5.1 hours.
Norwalk on the Weather Map
| Chicago |  |
+42 |
| Hawaii |  |
+74 |
| Honolulu | |
+74 |
| Houston |  |
+74 |
| Las Vegas |  |
+36 |
| Los Angeles | |
+42 |
| Maui | |
+68 |
| Miami | |
+76 |
| Miami Beach | |
+78 |
| New York | |
+38 |
| San Diego | |
+46 |
| San Francisco | |
+42 |
| Sarasota | |
+68 |
| Tampa | |
+68 |
| Washington |  |
+36 |
| 1200 |  |
44°F | N 10 mph |
| 1500 |  |
50°F | N 11 mph |
| 1800 |  |
46°F | N 11 mph |
| 2100 |  |
46°F | NE 9 mph |
| 0000 | |
44°F | E 9 mph |
| 0300 |  |
44°F | E 7 mph |
| 0600 | |
44°F | S 6 mph |
| 0900 | |
40°F | S 4 mph |