When is the best time to go to Cos Cob
The chart above shows the best time of year to visit Cos Cob, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Cos Cob
Cos Cob weather by month
Please note our recommendations for when to visit Cos Cob are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 2°C | 100mm | 5.9hrs | 10.6hrs | 6°C |
The climate in Cos Cob during January can be summarized as cold and a little damp.
Based on weather alone, this is probably a time of year to avoid going to Cos Cob for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Cos Cob and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (37°F), whilst at night -8°C (18°F) is normal.
On average January is the driest month of the year in Cos Cob with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 3°C | 90mm | 6.7hrs | 11.6hrs | 4°C |
February in Cos Cob is generally a little damp with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Cos Cob for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in Cos Cob and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 4°C (39°F), whilst at night -7°C (20°F) is normal.
On average February is the 2nd driest month of the year in Cos Cob with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 8°C | 116mm | 7.6hrs | 12.8hrs | 4°C |
The weather in March in Cos Cob is characteristically cool and damp.
Based on weather alone, this is probably a time of year to avoid going to Cos Cob for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Cos Cob and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night -2°C (28°F) is normal.
On average March is the 3rd driest month of the year in Cos Cob with around 116mm 4.6 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 124mm | 8.3hrs | 14.2hrs | 6°C |
Cos Cob's weather in April is typically cool and wet in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Cos Cob.
April is in the spring in Cos Cob and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 3°C (37°F) is normal.
On average April is the 4th driest month of the year in Cos Cob with around 124mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 126mm | 8.9hrs | 15.4hrs | 11°C |
May is a wet month in Cos Cob and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Cos Cob.
May is in the spring in Cos Cob and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 8°C (46°F) is normal.
On average May is the 5th driest month of the year in Cos Cob with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 23°C | 94mm | 9.4hrs | 10.6hrs | 16°C |
June in Cos Cob is generally a little damp with the temperature being warm.
It is perhaps the perfect month to visit Cos Cob, with some surprisingly good weather at this time of year.
June is in the summer in Cos Cob and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 13°C (56°F) is normal.
On average June is the 6th driest month of the year in Cos Cob with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 100mm | 9.4hrs | 11.6hrs | 21°C |
July in Cos Cob is generally damp with the temperature being warm.
It is perhaps a good month to visit Cos Cob, with some particularly good weather at this time of year.
July is in the summer in Cos Cob and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 16°C (62°F) is normal.
On average July is the 6th wettest month of the year in Cos Cob with around 100mm 3.9 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 25°C | 118mm | 9.1hrs | 12.8hrs | 22°C |
The weather in August in Cos Cob is characteristically warm, humid and damp.
It is perhaps a good month to visit Cos Cob, with some very good weather at this time of year.
August is in the summer in Cos Cob and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (60°F) is normal.
On average August is the 5th wettest month of the year in Cos Cob with around 118mm 4.6 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 100mm | 7.8hrs | 14.2hrs | 20°C |
Cos Cob's weather in September is typically mild and damp in nature.
It is perhaps a good month to visit Cos Cob, with some extremely good weather at this time of year.
September is in the fall / autumn in Cos Cob and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (53°F) is normal.
On average September is the 4th wettest month of the year in Cos Cob with around 100mm 3.9 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
Cos Cob weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 99mm | 7.3hrs | 15.4hrs | 16°C |
October is a a little damp month in Cos Cob and the temperature is generally mild.
It is perhaps a good month to visit Cos Cob, with some very good weather at this time of year.
October is in the fall / autumn in Cos Cob and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.
On average October is the 3rd wettest month of the year in Cos Cob with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 121mm | 5.4hrs | 10.6hrs | 12°C |
The climate in Cos Cob during November can be summarized as cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Cos Cob for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Cos Cob and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 1°C (34°F) is normal.
On average November is the 2nd wettest month of the year in Cos Cob with around 121mm 4.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 4°C | 115mm | 5hrs | 11.6hrs | 9°C |
December in Cos Cob is generally damp with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Cos Cob for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Cos Cob and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -5°C (23°F) is normal.
On average December is the wettest month of the year in Cos Cob with around 115mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Other monthly averages
Cos Cob weather stats
| Hottest month: | July | 28.4°C 83.1°F |
|---|---|---|
| Driest month: | February | 90mm 3.5ins |
| Sunniest month: | August | 9.1hrs |
| Coldest month: | January | 2.3°C 36.1°F |
| Wettest month: | May | 126mm 5ins |
| Warmest sea: | August | 22.1°C 71.8°F |
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