Winthrop
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Winthrop, MA

The first month of the summer, June, is a warm month in Winthrop, Massachusetts, with average temperature fluctuating between 74.3°F (23.5°C) and 57.6°F (14.2°C).

Temperature

In Winthrop, the average high-temperature slightly increases, from an enjoyable 66.4°F (19.1°C) in May, to a moderately hot 74.3°F (23.5°C). The average low-temperature, in June, is 57.6°F (14.2°C).

Humidity

The average relative humidity is 74%.

Rainfall

In Winthrop, Massachusetts, during June, the rain falls for 13.6 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Winthrop, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

In Winthrop snow does not fall through September.

Ocean temperature

In June, the average ocean temperature in Winthrop, Massachusetts, is 58.3°F (14.6°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

June has the longest days of the year in Winthrop, with an average of 15.2h of daylight.

Sunshine

The average sunshine in June is 9.1h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in Winthrop?

The average high-temperature, in June, is 74.3°F (23.5°C), while the average low-temperature is 57.6°F (14.2°C).

What is the average humidity in June in Winthrop?

In Winthrop, Massachusetts, the average relative humidity in June is 74%.

How many days does it rain in June in Winthrop?

In Winthrop, Massachusetts, during June, the rain falls for 13.6 days and regularly aggregates up to 2.13" (54mm) of precipitation.

Does it snow in Winthrop in June?

In June, in Winthrop, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Winthrop?

In Winthrop, Massachusetts, snow does not fall in June through September.

What is the ocean temperature in June in Winthrop?

In Winthrop, in June, the average water temperature is 58.3°F (14.6°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

When are the longest days in Winthrop?

The month with the longest days in Winthrop is June, with an average of 15.2h of daylight.

How many hours of daylight does Winthrop have in June?

In Winthrop, the average length of the day in June is 15.2h.

How long on average sun shines in June in Winthrop?

The average sunshine in June is 9.1h.

What is the month with the highest UV index in Winthrop?

Months with the highest UV index in Winthrop, Massachusetts, are June through August, with an average maximum UV index of 6.

What is the UV index reading in June in Winthrop?

In June, the average daily maximum UV index in Winthrop, Massachusetts, is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in June - Winthrop, MA
  • Average high temperature in June: 74.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in June: 57.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average humidity in June - Winthrop, MA
  • Average humidity in June: 74%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

Average rainfall in June - Winthrop, MA
  • Average rainfall in June: 2.13"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in June - Winthrop, MA
  • Average rainfall days in June: 13.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in June - Winthrop, MA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (4.72").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in June - Winthrop, MA
  • Average snowfall days in June: 0 days

Months with the highest number of snowfall days are January and February (7.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in June - Winthrop, MA
  • Average sea temperature in June: 58.2°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight in June / Average sunshine in June - Winthrop, MA
  • Average daylight in June: 15.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in June: 9.1h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average UV index in June - Winthrop, MA
  • Average UV index in June: 6

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).