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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Vallam, India, is another warm winter month, with an average temperature ranging between max 29.8°C (85.6°F) and min 20.1°C (68.2°F). An average high-temperature of a still warm 29.8°C (85.6°F) marks January, exhibiting a close resemblance to the conditions in December. Weather in January »
Weather in February
The last month of the winter, February, is a hot month in Vallam, India, with an average temperature fluctuating between 20.9°C (69.6°F) and 32.3°C (90.1°F). A minimal variation is noted in Vallam's average high-temperature at the onset of February, reaching a tropical 32.3°C (90.1°F) from January's 29.8°C (85.6°F). Weather in February »
Weather in March
March, the first month of the pre-monsoon summer in Vallam, is a fiery hot month, with an average temperature fluctuating between 23.4°C (74.1°F) and 35.4°C (95.7°F). As Vallam transitions into March, a marginal rise in the average high-temperature is observed, moving from a tropical 32.3°C (90.1°F) in February to a very hot 35.4°C (95.7°F). Weather in March »
Weather in April
April, like March, in Vallam, India, is another sweltering pre-monsoon summer month, with an average temperature fluctuating between 37.9°C (100.2°F) and 26.7°C (80.1°F). The average high-temperature during April registers at a still very hot 37.9°C (100.2°F), closely corresponding to the preceding month. Weather in April »
Weather in May
The last month of the pre-monsoon summer, May, is another very hot month in Vallam, India, with an average temperature ranging between min 28.8°C (83.8°F) and max 38.6°C (101.5°F). In Vallam, May is the month with the highest recorded average temperatures, measuring a high of 38.6°C (101.5°F) and a low of 28.8°C (83.8°F). The average heat index in May is calculated to be a blazing hot 53°C (127.4°F). Weather in May »
Weather in June
The first month of the rainy (monsoon) season, June, is also a fiery hot month in Vallam, India, with temperature in the range of an average low of 28°C (82.4°F) and an average high of 37.1°C (98.8°F). The onset of June notes an average high-temperature of a still torrid 37.1°C (98.8°F), subtly shifted from May's 38.6°C (101.5°F). Weather in June »
Weather in July
July, the same as June, is another fiery hot rainy (monsoon) season month in Vallam, India, with temperature in the range of an average high of 36.7°C (98.1°F) and an average low of 27.3°C (81.1°F). The onset of July notes an average high-temperature of a still torrid 36.7°C (98.1°F), subtly shifted from June's 37.1°C (98.8°F). Weather in July »
Weather in August
August, like July, in Vallam, India, is another sweltering rainy (monsoon) season month, with an average temperature ranging between max 35.4°C (95.7°F) and min 26.5°C (79.7°F). Vallam's transition from July to August introduces an average high-temperature of a still torrid 35.4°C (95.7°F), marking an insignificant variation from the 36.7°C (98.1°F). Weather in August »
Weather in September
September, the last month of the rainy (monsoon) season in Vallam, is another hot month, with an average temperature fluctuating between 34.9°C (94.8°F) and 25.8°C (78.4°F). As August turns into September, the average high-temperatures rest at a hot 34.9°C (94.8°F), showing a minor variation from the prior month. Weather in September »
Weather in October
October, the first month of the post-monsoon autumn in Vallam, is also a hot month, with an average temperature ranging between min 24.8°C (76.6°F) and max 32.8°C (91°F). The advent of October denotes an average high-temperature of a still tropical 32.8°C (91°F), subtly different from September's 34.9°C (94.8°F). Weather in October »
Weather in November
November, the last month of the post-monsoon autumn in Vallam, is still a hot month, with an average temperature varying between 30.3°C (86.5°F) and 22.7°C (72.9°F). The advent of November sees the average high-temperature at a still tropical 30.3°C (86.5°F), subtly shifted from October's 32.8°C (91°F). Weather in November »
Weather in December
December, the first month of the winter in Vallam, is still a warm month, with an average temperature ranging between min 21.5°C (70.7°F) and max 29.1°C (84.4°F). Vallam's December weather reaches an average high of 29.1°C (84.4°F) and an average low of 21.5°C (70.7°F), making it the coldest month. The heat index for December is calculated to be a sweltering 35°C (95°F). Weather in December »
Updated: Jul 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain?
Throughout the year, there are 145 rainfall days, and 512mm (20.16") of precipitation is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January, October through December, with an average maximum UV index of 6.
What is the driest month?
February is the month with the least rainfall. Rain falls for 5.5 days and accumulates 11mm (0.43") of precipitation.
What are the months with the highest UV index?
March through August, with an average maximum UV index of 8, are months with the highest UV index.
What month is the hottest?
In Vallam, May is known for its average highest temperatures, reaching a high of 38.6°C (101.5°F) and a low of 28.8°C (83.8°F).
What month has the most sunshine?
With an average of 11.7h of sunshine, May has the most sunshine of the year.
What is the least humid month?
With an average relative humidity of 51%, June is the least humid month in Vallam, India.
When are the longest days in Vallam?
June has the longest days of the year, with an average of 12h and 42min of daylight.
What is the rainiest month?
October is the month with the most rainfall. Rain falls for 21.9 days and accumulates 128mm (5.04") of precipitation.
What is the most humid month?
November is the most humid month, with an average relative humidity of 80%.
What is the month with the least sunshine?
With an average of 5.7h of sunshine, November has the least sunshine of the year.
What time of the year is the coldest?
Vallam experiences its lowest temperatures in December, with an average peak of 29.1°C (84.4°F) and a low of 21.5°C (70.7°F).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 30min of daylight.
Is there Daylight Saving Time (DST)?
Vallam does not observe Daylight Saving Time (DST). IST timezone is used over the entire year.
Average temperature
Vallam, India
The warmest month (with the highest average high temperature) is May (38.6°C).
The month with the lowest average high temperature is December (29.1°C).
The month with the highest average low temperature is May (28.8°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).
Average pressure
Vallam, India
- Average pressure in January:
1013.3mbar - Average pressure in February:
1012.6mbar - Average pressure in March:
1011mbar - Average pressure in April:
1008.8mbar - Average pressure in May:
1006.3mbar - Average pressure in June:
1005.6mbar
- Average pressure in July:
1005.9mbar - Average pressure in August:
1006.5mbar - Average pressure in September:
1007.5mbar - Average pressure in October:
1009.1mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1011.8mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is June (1005.6mbar).
Average wind speed
Vallam, India
- Average wind speed in January:
13.9km/h - Average wind speed in February:
13km/h - Average wind speed in March:
10.9km/h - Average wind speed in April:
11.1km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
16km/h
- Average wind speed in July:
15.6km/h - Average wind speed in August:
13.7km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
10km/h - Average wind speed in November:
12.2km/h - Average wind speed in December:
14.5km/h
The windiest month (with the highest average wind speed) is June (16km/h).
The calmest month (with the lowest average wind speed) is October (10km/h).
Average humidity
Vallam, India
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is June (51%).
Average rainfall
Vallam, India
The wettest month (with the highest rainfall) is October (128mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days
Vallam, India
- Average rainfall days in January:
8 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
7.2 days - Average rainfall days in April:
9.3 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
7.4 days
- Average rainfall days in July:
6.7 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
21.9 days - Average rainfall days in November:
20.4 days - Average rainfall days in December:
16.5 days
The month with the highest number of rainy days is October (21.9 days).
The month with the least rainy days is February (5.5 days).
Average daylight / Average sunshine
Vallam, India
- Average daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 4min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 3min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 3min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
9h and 0min - Average sunshine in February:
9h and 2min - Average sunshine in March:
9h and 2min - Average sunshine in April:
10h and 0min - Average sunshine in May:
11h and 4min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days
Vallam, India
- Average sunshine days in January:
19.2 days - Average sunshine days in February:
21.3 days - Average sunshine days in March:
21.8 days - Average sunshine days in April:
16.9 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
22.1 days
- Average sunshine days in July:
24.1 days - Average sunshine days in August:
18.8 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
7.6 days - Average sunshine days in November:
7.8 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is October (7.6 days).
Average UV index
Vallam, India
The months with the highest UV index are March, April, May, June, July and August (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover
Vallam, India
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is March (Cloud cover 17).
Average visibility
Vallam, India
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
