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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 Siay, Philippines, is a moderately hot winter month, with an average temperature fluctuating between 23.4°C (74.1°F) and 28.1°C (82.6°F). Siay's coldest weather arrives in January, when temperatures average a high of 28.1°C (82.6°F) and a low of 23.4°C (74.1°F). The heat index for January is evaluated at a hot 33°C (91.4°F). Weather in January »
Weather in February
February, the last month of the winter in Siay, is another warm month, with an average temperature ranging between min 23°C (73.4°F) and max 28.3°C (82.9°F). Siay measures an average high-temperature of a still moderately hot 28.3°C (82.9°F) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Siay, is also a moderately hot month, with an average temperature varying between 23.3°C (73.9°F) and 29.1°C (84.4°F). Transitioning into March, Siay records an average high-temperature of a still moderately hot 29.1°C (84.4°F), almost identical to February's 28.3°C (82.9°F). Weather in March »
Weather in April
April, the same as March, is another warm spring month in Siay, Philippines, with an average temperature varying between 29.7°C (85.5°F) and 23.7°C (74.7°F). The temperatures reach their highest averages in April, with highs of 29.7°C (85.5°F) and lows of 23.7°C (74.7°F). The heat index in April is evaluated at a fiery hot 37°C (98.6°F). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Siay, Philippines, with an average temperature varying between 29.6°C (85.3°F) and 24.2°C (75.6°F). In May, Siay's weather conditions record an average high-temperature of a still warm 29.6°C (85.3°F), demonstrating little divergence from the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Siay, is still a warm month, with an average temperature varying between 29.2°C (84.6°F) and 24°C (75.2°F). The unfolding of June shows an average high-temperature of a still warm 29.2°C (84.6°F), indicating a slight variance from May's 29.6°C (85.3°F). Weather in June »
Weather in July
July, like June, in Siay, Philippines, is a moderately hot summer month, with an average temperature ranging between max 28.6°C (83.5°F) and min 23.7°C (74.7°F). Siay marks the start of July with an average high-temperature of a still moderately hot 28.6°C (83.5°F), hinting at a slight fluctuation from June's 29.2°C (84.6°F). Weather in July »
Weather in August
August, the last month of the summer in Siay, is another warm month, with an average temperature fluctuating between 29.1°C (84.4°F) and 23.7°C (74.7°F). The transition into August notes an average high-temperature of a still warm 29.1°C (84.4°F), revealing a mild distinction from the 28.6°C (83.5°F) in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Siay, Philippines, with an average temperature varying between 23.7°C (74.7°F) and 28.8°C (83.8°F). September experiences an average high-temperature of a still warm 28.8°C (83.8°F), barely different from August's 29.1°C (84.4°F). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Siay, Philippines, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 24.2°C (75.6°F). As Siay steps into October, the average high-temperature holds at a still moderately hot 28.9°C (84°F), hinting at a minor fluctuation from the prior month. Weather in October »
Weather in November
November, the last month of the autumn in Siay, is another warm month, with an average temperature fluctuating between 24.2°C (75.6°F) and 29°C (84.2°F). Siay's entry into November measures an average high-temperature of a still warm 29°C (84.2°F), closely parallel to the preceding month. Weather in November »
Weather in December
December, the first month of the winter in Siay, is also a moderately hot month, with an average temperature varying between 24.1°C (75.4°F) and 28.8°C (83.8°F). The average high-temperature for December is a still moderately hot 28.8°C (83.8°F), closely aligning with the temperature of the preceding month. Weather in December »
Updated: Aug 11, 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 part of the year is the coldest?
In Siay, January records the average lowest temperatures, peaking at 28.1°C (82.6°F) and reaching a low of 23.4°C (74.1°F).
What is the most humid month?
January and November, with an average relative humidity of 85%, are most humid months.
How many days does it rain?
Throughout the year, in Siay, there are 265.6 rainfall days, and 1186mm (46.69") of precipitation is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 5.9h of sunshine.
What is the month with the highest UV index in Siay?
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7.
What is the driest month?
February is the month with the least rainfall. Rain falls for 15 days and accumulates 50mm (1.97") of precipitation.
What is the least humid month?
March is the least humid month, with an average relative humidity of 81%.
What is the warmest month?
The average temperatures reach their apex in April, averaging 29.7°C (85.5°F) at the high end and 23.7°C (74.7°F) at the low end.
What is the wettest month in Siay?
The month with the most rainfall is June, when the rain falls for 24.3 days and typically aggregates up to 142mm (5.59") of precipitation.
When are the longest days?
With an average of 12h and 36min of daylight, June has the longest days of the year.
What month has the most sunshine?
With an average of 9.4h of sunshine, August has the most sunshine of the year.
When is the lowest UV index?
October is the month with the lowest UV index, with an average maximum UV index of 6.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST)?
Siay does not observe Daylight Saving Time (DST). PST timezone is used over the entire year.
Average temperature
Siay, Philippines
The warmest month (with the highest average high temperature) is April (29.7°C).
The month with the lowest average high temperature is January (28.1°C).
The months with the highest average low temperature are May, October and November (24.2°C).
The coldest month (with the lowest average low temperature) is February (23°C).
Average pressure
Siay, Philippines
- Average pressure in January:
1010mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1009.4mbar - Average pressure in June:
1009.4mbar
- Average pressure in July:
1009.3mbar - Average pressure in August:
1009.4mbar - Average pressure in September:
1009.7mbar - Average pressure in October:
1009.4mbar - Average pressure in November:
1009mbar - Average pressure in December:
1009mbar
The month with the highest atmospheric pressure is February (1010.6mbar).
The months with the lowest atmospheric pressure are November and December (1009mbar).
Average wind speed
Siay, Philippines
- Average wind speed in January:
12.2km/h - Average wind speed in February:
13km/h - Average wind speed in March:
11.7km/h - Average wind speed in April:
9.2km/h - Average wind speed in May:
6.1km/h - Average wind speed in June:
6.2km/h
- Average wind speed in July:
7.4km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
7.4km/h - Average wind speed in October:
7.3km/h - Average wind speed in November:
9.4km/h - Average wind speed in December:
10.3km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).
Average humidity
Siay, Philippines
The months with the highest relative humidity are January and November (85%).
The month with the lowest relative humidity is March (81%).
Average rainfall
Siay, Philippines
- Average rainfall in January:
62mm - Average rainfall in February:
50mm - Average rainfall in March:
58mm - Average rainfall in April:
89mm - Average rainfall in May:
134mm - Average rainfall in June:
142mm
The wettest month (with the highest rainfall) is June (142mm).
The driest month (with the least rainfall) is February (50mm).
Average rainfall days
Siay, Philippines
- Average rainfall days in January:
19.1 days - Average rainfall days in February:
15 days - Average rainfall days in March:
19.3 days - Average rainfall days in April:
23.2 days - Average rainfall days in May:
26.6 days - Average rainfall days in June:
24.3 days
- Average rainfall days in July:
22.8 days - Average rainfall days in August:
23.1 days - Average rainfall days in September:
22.5 days - Average rainfall days in October:
24.5 days - Average rainfall days in November:
24.1 days - Average rainfall days in December:
21.1 days
The month with the highest number of rainy days is May (26.6 days).
The month with the least rainy days is February (15 days).
Average daylight / Average sunshine
Siay, Philippines
- 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 3min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 3min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 4min
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:
5h and 5min - Average sunshine in February:
6h and 3min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
9h and 2min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 5min - Average sunshine in November:
8h and 0min - Average sunshine in December:
7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days
Siay, Philippines
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
9 days - Average sunshine days in April:
5.1 days - Average sunshine days in May:
3.7 days - Average sunshine days in June:
5.5 days
- Average sunshine days in July:
6.7 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
6.8 days - Average sunshine days in October:
5.2 days - Average sunshine days in November:
4 days - Average sunshine days in December:
8 days
The month with the most sunshine days is February (11.1 days).
The month with the least sunshine days is May (3.7 days).
Average UV index
Siay, Philippines
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).
Average cloud cover
Siay, Philippines
The months with the most cloud cover are June and July (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 35).
Average visibility
Siay, Philippines
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
