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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
Weather in January
January is a refreshing winter month in Port San Luis, California, with an average temperature varying between 62.4°F (16.9°C) and 46.9°F (8.3°C). With the arrival of January, Port San Luis's average high-temperature registers at a still refreshing 62.4°F (16.9°C), indicating a subtle variation from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Port San Luis, is also an enjoyable month, with an average temperature ranging between max 62.2°F (16.8°C) and min 45.7°F (7.6°C). Port San Luis records a slight change with February's average high-temperatures adjusting to a still refreshing 62.2°F (16.8°C) from January's 62.4°F (16.9°C). Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Port San Luis, California, with an average temperature varying between 64°F (17.8°C) and 46.4°F (8°C). The transition into March shows a subtle variation to a still refreshing 64°F (17.8°C) from February's 62.2°F (16.8°C) in the average high-temperature. Weather in March »
Weather in April
April, like March, in Port San Luis, California, is another refreshing spring month, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 67.8°F (19.9°C). Port San Luis ushers in April with an average high-temperature of a still refreshing 67.8°F (19.9°C), showing a close resemblance to the previous month. Weather in April »
Weather in May
May, the last month of the spring in Port San Luis, is a pleasant month, with an average temperature fluctuating between 51.4°F (10.8°C) and 71.2°F (21.8°C). With the start of May, Port San Luis measures an average high-temperature of an agreeable 71.2°F (21.8°C), not significantly differing from April's 67.8°F (19.9°C). Weather in May »
Weather in June
June, the first month of the summer in Port San Luis, is a moderately hot month, with an average temperature varying between 55°F (12.8°C) and 76.6°F (24.8°C). June marks a minor ascent in the average high-temperature, adjusting from May's pleasant 71.2°F (21.8°C) to a warm 76.6°F (24.8°C). Weather in June »
Weather in July
July, like June, in Port San Luis, California, is another warm summer month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.8°F (14.9°C). July reports an average high-temperature of a still moderately hot 80.1°F (26.7°C), slightly varied from June's 76.6°F (24.8°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Port San Luis, California, with an average temperature fluctuating between 59.5°F (15.3°C) and 80.2°F (26.8°C). In Port San Luis, California, the month of August is known for its highest average temperatures, reaching a high of 80.2°F (26.8°C) and a low of 59.5°F (15.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Port San Luis, is still a warm month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 60.3°F (15.7°C). September observes an average high-temperature of a still moderately hot 79.9°F (26.6°C), marking an insignificant difference from August's 80.2°F (26.8°C). Weather in September »
Weather in October
October, like September, in Port San Luis, California, is another warm autumn month, with an average temperature fluctuating between 56.5°F (13.6°C) and 74.3°F (23.5°C). October ushers in a minute temperature change, with average high-temperatures reducing from September's moderately hot 79.9°F (26.6°C) to a still warm 74.3°F (23.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Port San Luis, is another refreshing month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 51.3°F (10.7°C). The shift from October to November includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 74.3°F (23.5°C) to a comfortable 67.1°F (19.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a moderate month in Port San Luis, California, with an average temperature varying between 46.2°F (7.9°C) and 60.3°F (15.7°C). With average high temperatures of 60.3°F (15.7°C) and lows of 46.2°F (7.9°C), December is the coldest month. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Port San Luis?
Throughout the year, there are 57 rainfall days, and 9.57" (243mm) of precipitation is accumulated.
What is the month with the least sunshine in Port San Luis?
The months with the least sunshine in Port San Luis are February and December, with an average of 6.5h of sunshine.
What is the month with the lowest UV index in Port San Luis?
The month with the lowest UV index is February, with an average maximum UV index of 3.
What is the most humid month in Port San Luis?
With an average relative humidity of 69%, March is the most humid month.
What is the rainiest month in Port San Luis?
March is the month with the most rainfall. Rain falls for 10.5 days and accumulates 2.01" (51mm) of precipitation.
When is Daylight Saving Time (DST) in Port San Luis?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Port San Luis, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the driest month in Port San Luis?
June and August are months with the least rain in Port San Luis when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.
When are the longest days in Port San Luis?
The month with the longest days is June, with an average of 14h and 30min of daylight.
What is the month with the most sunshine in Port San Luis?
June through August, with an average of 12h of sunshine, are months with the most sunshine in Port San Luis, California.
What are the months with the highest UV index in Port San Luis?
June and August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Port San Luis?
In Port San Luis, August is known for its average highest temperatures, reaching a high of 80.2°F (26.8°C) and a low of 59.5°F (15.3°C).
What are the least humid months in Port San Luis?
September and October, with an average relative humidity of 57%, are the least humid months in Port San Luis, California.
What are the coldest months in Port San Luis?
December, with its average high-temperature of 60.3°F (15.7°C) and an average low-temperature of 46.2°F (7.9°C), holds the record as the coldest month.
What is the month with the shortest days in Port San Luis?
December has the shortest days of the year in Port San Luis, California, with an average of 9h and 48min of daylight.
Average temperature
Port San Luis, CA
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure
Port San Luis, CA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed
Port San Luis, CA
- Average wind speed in January:
6mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.3mph - Average wind speed in October:
5.8mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity
Port San Luis, CA
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall
Port San Luis, CA
- Average rainfall in January:
1.85" - Average rainfall in February:
1.77" - Average rainfall in March:
2.01" - Average rainfall in April:
0.63" - Average rainfall in May:
0.28" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.47" - Average rainfall in November:
0.79" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days
Port San Luis, CA
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
3.6 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
0.6 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
3.4 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight / Average sunshine
Port San Luis, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 4min - Average sunshine in February:
6h and 3min - Average sunshine in March:
8h and 3min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 2min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 3min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days
Port San Luis, CA
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
19.1 days - Average sunshine days in March:
19.7 days - Average sunshine days in April:
22.3 days - Average sunshine days in May:
26.1 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
27.4 days - Average sunshine days in August:
29.2 days - Average sunshine days in September:
27.9 days - Average sunshine days in October:
26.7 days - Average sunshine days in November:
24.5 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index
Port San Luis, CA
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover
Port San Luis, CA
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility
Port San Luis, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port San Luis, California, USA
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