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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, the same as December, is another warm winter month in Sion, India, with an average temperature fluctuating between 21.6°C (70.9°F) and 29.4°C (84.9°F). January brings a marginal elevation to a warm 29.4°C (84.9°F) from December's 30.5°C (86.9°F) in Sion's average high-temperatures. Weather in January »
Weather in February
February, the last month of the winter in Sion, is a tropical month, with an average temperature ranging between min 22.5°C (72.5°F) and max 30.5°C (86.9°F). The onset of February marks an average high-temperature of a hot 30.5°C (86.9°F), hardly differing from January's 29.4°C (84.9°F). Weather in February »
Weather in March
March, the first month of the pre-monsoon summer in Sion, is still a tropical month, with an average temperature varying between 32°C (89.6°F) and 24.1°C (75.4°F). March observes an average high-temperature of a still tropical 32°C (89.6°F), marking an insignificant difference from February's 30.5°C (86.9°F). Weather in March »
Weather in April
April, like March, is another tropical pre-monsoon summer month in Sion, India, with an average temperature varying between 33.2°C (91.8°F) and 25.7°C (78.3°F). With average high and low temperatures of 33.2°C (91.8°F) and 25.7°C (78.3°F) respectively, April is Sion's warmest month. For April, the heat index is calculated to be a scorching 41°C (105.8°F). Weather in April »
Weather in May
May, the last month of the pre-monsoon summer in Sion, is also a hot month, with temperature in the range of an average high of 32.7°C (90.9°F) and an average low of 27.3°C (81.1°F). The start of May marks an average high-temperature of a still hot 32.7°C (90.9°F), hardly distinguishable from the conditions in April. Weather in May »
Weather in June
The first month of the rainy (monsoon) season, June, is also a hot month in Sion, India, with an average temperature fluctuating between 30.8°C (87.4°F) and 27.4°C (81.3°F). The shift from May to June is characterized by an average high-temperature of a still hot 30.8°C (87.4°F), not significantly different from the 32.7°C (90.9°F) of May. Weather in June »
Weather in July
July, like June, in Sion, India, is another warm rainy (monsoon) season month, with an average temperature ranging between max 28.6°C (83.5°F) and min 26.5°C (79.7°F). The advent of July observes an average high-temperature of a warm 28.6°C (83.5°F), nearly identical to June's 30.8°C (87.4°F). Weather in July »
Weather in August
August, like July, in Sion, India, is another warm rainy (monsoon) season month, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 25.9°C (78.6°F). August, recording an average high temperature of 28.3°C (82.9°F) and a low temperature of 25.9°C (78.6°F), is Sion's coldest month. August's mean heat index is calculated to be a hot 34°C (93.2°F). Weather in August »
Weather in September
September, the last month of the rainy (monsoon) season in Sion, is also a moderately hot month, with an average temperature fluctuating between 25.4°C (77.7°F) and 29.2°C (84.6°F). With the onset of September, Sion's average high-temperature clocks in at a still warm 29.2°C (84.6°F), showing a minor fluctuation from the previous month. Weather in September »
Weather in October
The first month of the post-monsoon autumn, October, is a hot month in Sion, India, with an average temperature varying between 25.8°C (78.4°F) and 32.3°C (90.1°F). As Sion welcomes October, the average high-temperature sees a modest rise, transitioning from a moderately hot 29.2°C (84.6°F) in September to a hot 32.3°C (90.1°F). Weather in October »
Weather in November
The last month of the post-monsoon autumn, November, is still a tropical month in Sion, India, with an average temperature varying between 24.7°C (76.5°F) and 32.1°C (89.8°F). November brings an average high-temperature of a still tropical 32.1°C (89.8°F), nearly identical to the preceding month. Weather in November »
Weather in December
The first month of the winter, December, is also a hot month in Sion, India, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 22.5°C (72.5°F). Sion, India, marks the arrival of December with an average high-temperature of a still tropical 30.5°C (86.9°F), hardly different from November's 32.1°C (89.8°F). Weather in December »
Updated: Jan 25, 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
What is the least humid month in Sion?
The months with the lowest humidity are January and February, with an average relative humidity of 52%.
What is the driest month in Sion?
In Sion, India, rain does not fall in January and April.
How much does it rain in Sion?
Throughout the year, in Sion, India, there are 133.4 rainfall days, and 1524mm (60") of precipitation is accumulated.
What are the months with the most sunshine in Sion?
January through April, with an average of 9.9h of sunshine, are months with the most sunshine in Sion, India.
When does it rain in Sion?
Months with rainfall in Sion are February, March, May through December.
What time of the year is the hottest in Sion?
Sion's warmest weather arrives in April, when temperatures average a high of 33.2°C (91.8°F) and a low of 25.7°C (78.3°F).
When is the highest UV index in Sion?
May is the month with the highest UV index, with an average maximum UV index of 8.
When are the longest days in Sion?
With an average of 13h and 18min of daylight, June has the longest days of the year in Sion, India.
When is the lowest UV index in Sion?
The months with the lowest UV index are June and July, with an average maximum UV index of 6.
What is the most humid month in Sion?
The months with the highest humidity in Sion, India, are July and August, with an average relative humidity of 84%.
What is the wettest month in Sion?
July is the month with the most rainfall in Sion. Rain falls for 30.4 days and accumulates 568mm (22.36") of precipitation.
What is the month with the least sunshine in Sion?
July has the least sunshine of the year, with an average of 5h of sunshine.
What time of the year is the coldest in Sion?
In Sion, August is known for its average lowest temperatures, reaching a high of 28.3°C (82.9°F) and a low of 25.9°C (78.6°F).
What is the month with the shortest days in Sion?
The month with the shortest days is December, with an average of 11h and 0min of daylight.
Is there Daylight Saving Time (DST) in Sion?
Sion does not utilize Daylight Saving Time (DST). IST timezone is used over the entire year.
Average temperature
Sion, India
The warmest month (with the highest average high temperature) is April (33.2°C).
The month with the lowest average high temperature is August (28.3°C).
The month with the highest average low temperature is June (27.4°C).
The coldest month (with the lowest average low temperature) is January (21.6°C).
Average pressure
Sion, India
- Average pressure in January:
1013.8mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1011.3mbar - Average pressure in April:
1009.4mbar - Average pressure in May:
1007.7mbar - Average pressure in June:
1004.8mbar
- Average pressure in July:
1004.3mbar - Average pressure in August:
1005.8mbar - Average pressure in September:
1007.9mbar - Average pressure in October:
1010.1mbar - Average pressure in November:
1011.8mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The month with the lowest atmospheric pressure is July (1004.3mbar).
Average wind speed
Sion, India
- Average wind speed in January:
10.9km/h - Average wind speed in February:
10.7km/h - Average wind speed in March:
10.8km/h - Average wind speed in April:
10.5km/h - Average wind speed in May:
11.3km/h - Average wind speed in June:
15.5km/h
- Average wind speed in July:
18.9km/h - Average wind speed in August:
16.6km/h - Average wind speed in September:
11.5km/h - Average wind speed in October:
8.7km/h - Average wind speed in November:
9.4km/h - Average wind speed in December:
10.2km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is October (8.7km/h).
Average humidity
Sion, India
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are January and February (52%).
Average rainfall
Sion, India
The wettest month (with the highest rainfall) is July (568mm).
The driest months (with the least rainfall) are January and April (0mm).
Average rainfall days
Sion, India
- Average rainfall days in January:
0.8 days - Average rainfall days in February:
0.5 days - Average rainfall days in March:
2.1 days - Average rainfall days in April:
1 days - Average rainfall days in May:
2.6 days - Average rainfall days in June:
25.1 days
- Average rainfall days in July:
30.4 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
22.3 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
1.5 days
The month with the highest number of rainy days is July (30.4 days).
The month with the least rainy days is February (0.5 days).
Average daylight / Average sunshine
Sion, India
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 2min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 5min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 1min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
9h and 5min - Average sunshine in February:
9h and 5min - Average sunshine in March:
9h and 5min - Average sunshine in April:
9h and 5min - Average sunshine in May:
9h and 4min - Average sunshine in June:
7h and 2min
- Average sunshine in July:
5h and 0min - Average sunshine in August:
6h and 0min - Average sunshine in September:
7h and 4min - Average sunshine in October:
9h and 2min - Average sunshine in November:
8h and 3min - Average sunshine in December:
9h and 2min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 0min).
Average sunshine days
Sion, India
- Average sunshine days in January:
30.1 days - Average sunshine days in February:
27.3 days - Average sunshine days in March:
29 days - Average sunshine days in April:
29.3 days - Average sunshine days in May:
26.5 days - Average sunshine days in June:
2.8 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
0.6 days - Average sunshine days in September:
5.8 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
24.7 days - Average sunshine days in December:
29.1 days
The month with the most sunshine days is January (30.1 days).
The month with the least sunshine days is July (0.4 days).
Average UV index
Sion, India
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover
Sion, India
The month with the most cloud cover is July (Cloud cover 67).
The months with the least cloud cover are January and February (Cloud cover 4).
Average visibility
Sion, India
The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).
