Weatherandclimate.co.ukClimate of Old Lyme
Old Lyme has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Old Lyme is 14° degrees and there is about 144 mm of rain in a year. It is dry for 229 days a year with an average humidity of 76% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 2°C and 26°C
- Night:the average nighttime temperature is between -4°C and 19°C
- Rain: it rains 100 days and there is a total of approximately 143 mm rainfall
- Snow: it snows an average of 18 days per year
- Sun hours: throughout the year there are 2765 sun hours
| Maximum temperature: | between 2°C and 26°C |
| Warmest month: | 26°C in July |
| Coldest month: | 2°C in January |
| Night temperature: | between -4°C and 19°C |
| Dry days: | 247 days |
| Days with rain: | 100 days |
| Days with snow: | 18 days |
| Total rain sum: | 143 mm |
| Hours of sunshine: | 2765 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Old Lyme.
Precipitation graph
This graph shows the average amount of rainfall per month for Old Lyme.
Climate table of Old Lyme
In this climate table you can see at a glance what the average weather per month is for Old Lyme. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Old Lyme might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | 2 | 3 | 6 | 13 | 18 | 23 | 26 | 26 | 22 | 17 | 11 | 5 |
| Night temp. (°C) | -4 | -4 | 0 | 6 | 11 | 15 | 19 | 19 | 15 | 10 | 5 | 0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 12 | 9 | 11 | 16 | 15 | 8 | 12 | 10 | 9 | 13 | 16 | 12 |
| Days with rain | 6 | 6 | 8 | 9 | 11 | 9 | 10 | 9 | 9 | 8 | 6 | 9 |
| Days with snow | 5 | 5 | 4 | - | - | - | - | - | - | - | 1 | 3 |
| Dry days | 20 | 17 | 19 | 21 | 20 | 21 | 21 | 22 | 21 | 23 | 23 | 19 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 5 | 5 | 6 | 9 | 9 | 10 | 11 | 11 | 9 | 6 | 5 | 5 |
| Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| UV-index | 2 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
Best time to visit Old Lyme
The best time to visit Old Lyme in the state of Connecticut is from May through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Old Lyme is 26°C in July and the lowest is 2°C in January.
Climate of Old Lyme by month
What is the average climate in a given month for Old Lyme? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Old Lyme weather experiences
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