January weather forecastBoston, Philippines

January

Weather in January

January, the same as December, is another warm winter month in Boston, Philippines, with temperature in the range of an average high of 28.2°C (82.8°F) and an average low of 21°C (69.8°F).

Temperature

Boston's coldest month, January, generally records average temperatures ranging from a high of 28.2°C (82.8°F) to a low of 21°C (69.8°F).

Heat index

The average heat index in January is appraised at a hot 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The most humid month in Boston is January, with an average relative humidity of 89%.

Rainfall

The month with the most rainfall in Boston is January, when the rain falls for 23.4 days and typically aggregates up to 169mm (6.65") of precipitation.

Sea temperature

In January, the average sea temperature is 28.3°C (82.9°F).
Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.

Daylight

The average length of the day in January in Boston is 11h and 43min.
On the first day of January in Boston, sunrise is at 5:47 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 5:41 pm PST.

Sunshine

January has the least sunshine of the year in Boston, with an average of 6.4h of sunshine.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 6 during January translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! Sand and water increase UV exposure due to their reflective properties.

Updated: Feb 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Boston reaches its average lowest temperatures in January, measuring 28.2°C (82.8°F) at the peak and 21°C (69.8°F) at the lowest.

Boston in January has an average high-temperature of 28.2°C (82.8°F) and an average low-temperature of 21°C (69.8°F). In January, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 34°C (93.2°F).

With an average relative humidity of 89%, January is the most humid month.

In Boston, the average relative humidity in January is 89%.

January is the month with the most rainfall in Boston. Rain falls for 23.4 days and accumulates 169mm (6.65") of precipitation.

In Boston, in January, during 23.4 rainfall days, 169mm (6.65") of precipitation is typically accumulated.

In January, the average sea temperature in Boston is 28.3°C (82.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

The average day length in January is 11h and 43min.

On the first day of January in Boston, sunrise is at 5:47 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 5:41 pm PST.

The month with the least sunshine in Boston is January, with an average of 6.4h of sunshine.

In January, the average sunshine duration in Boston, Philippines, is 6.4h.

January through March, October through December, with an average maximum UV index of 6, are months with the lowest UV index.

In Boston, Philippines, the average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

29.7°C

28.2°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.5km/h

5.9km/h

6.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

20.8

23.4

21.6

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

8.3

6.3

4.8

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Boston, Philippines

Average high temperature in January: 28.2°C

The warmest month (with the highest average high temperature) is May (32.3°C).
The month with the lowest average high temperature is January (28.2°C).

Average low temperature in January: 21°C

The months with the highest average low temperature are October and November (22°C).
The coldest month (with the lowest average low temperature) is March (20.5°C).

Average pressure in January
Boston, Philippines

Average pressure in January: 1010.4mbar

The month with the highest atmospheric pressure is February (1011.3mbar).
The month with the lowest atmospheric pressure is July (1009.3mbar).

Average wind speed in January
Boston, Philippines

Average wind speed in January: 5.2km/h

The windiest month (with the highest average wind speed) is February (5.7km/h).
The calmest month (with the lowest average wind speed) is May (3.5km/h).

Average humidity in January
Boston, Philippines

Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (81%).

Average rainfall in January
Boston, Philippines

Average rainfall in January: 169mm

The wettest month (with the highest rainfall) is January (169mm).
The driest month (with the least rainfall) is March (72mm).

Average rainfall days in January
Boston, Philippines

Average rainfall days in January: 23.4 days

The month with the highest number of rainy days is May (26.6 days).
The month with the least rainy days is December (20.8 days).

Average sea temperature in January
Boston, Philippines

Average sea temperature in January: 28.3°C

The best month for swimming (with the highest average sea temperature) is October (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27.9°C).

Average daylight in January /
Average sunshine in January
Boston, Philippines

Average daylight in January: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

Average sunshine in January: 6h and 24min

The months with the most sunshine are August and October (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in January
Boston, Philippines

Average sunshine days in January: 6.3 days

The month with the most sunshine days is December (8.3 days).
The month with the least sunshine days is June (3.3 days).

Average UV index in January
Boston, Philippines

Average UV index in January: 6

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 6).

Average cloud cover in January
Boston, Philippines

Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 45).

Average visibility in January
Boston, Philippines

Average visibility in January: 6km

The months with the highest visibility are June, August and September (8km).
The months with the lowest visibility are January, April and November (6km).