Climate of Greenwich

Greenwich has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Greenwich is 29° degrees and there is about 327 inch of rain in a year. It is dry for 171 days a year with an average humidity of 75% 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 27°C
Night:the average nighttime temperature is between -4°C and 20°C
Sea temperature: the sea temperature is between 6°C and 25°C
Rain: it rains 157 days and there is a total of approximately 829 mm rainfall
Snow: it snows an average of 25 days per year
Sun hours: throughout the year there are 2730 sun hours

Maximum temperature:	between 2°C and 27°C
Warmest month:	27°C in July
Coldest month:	2°C in January
Night temperature:	between -4°C and 20°C
Sea temperature:	between 6°C and 25°C
Dry days:	183 days
Days with rain:	157 days
Days with snow:	25 days
Total rain sum:	829 mm
Hours of sunshine:	2730 hours

Climate of Greenwich
Temperature graph
Precipitation graph
Climate chart of Greenwich
The best travel time for Greenwich
Climate of Greenwich by month
Experiences with the weather of Greenwich

Do you want to go to Greenwich?

These are the travel companies where you can book a trip to Greenwich:

Booking.com

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Greenwich.

Precipitation graph

This graph shows the average amount of rainfall per month for Greenwich.

Climate table of Greenwich

In this climate table you can see at a glance what the average weather per month is for Greenwich. 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 Greenwich might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°F)	35	38	44	56	66	74	81	80	74	62	51	42
Night temp. (°F)	26	27	34	43	53	61	68	68	62	52	41	33
Water temp. (°F)	46	42	43	50	58	69	75	76	72	68	57	52
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (inch)	22	22	26	22	24	28	34	32	28	28	27	34
Days with rain	7	10	12	14	17	17	17	15	13	13	10	12
Days with snow	7	7	5	-	-	-	-	-	-	-	1	5
Dry days	17	11	14	16	14	13	14	16	17	18	19	14
	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	2	2	2	3	3	3	3
UV-index	2	2	2	4	5	6	6	6	4	3	2	2

Best time to visit Greenwich

The best time to visit Greenwich in the state of Connecticut is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in Greenwich is 81°F in July and the lowest is 35°F in January. The highest water temperature is 76°F and it does not get colder than 42°F.

Climate of Greenwich by month

What is the average climate in a given month for Greenwich? 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.

January