Climate and monthly weather forecastSierra Madre, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Sierra Madre, California, with an average temperature fluctuating between 64.8°F (18.2°C) and 47.1°F (8.4°C). As January takes hold, the average high-temperature is a still enjoyable 64.8°F (18.2°C), nearly mirroring that of the previous month. Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Sierra Madre, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 64.2°F (17.9°C). The transition into February is marked with an average high-temperature of a still refreshing 64.2°F (17.9°C), showing an insignificant shift from January's 64.8°F (18.2°C). Weather in February »Weather in March
The first month of the spring, March, is also an enjoyable month in Sierra Madre, California, with an average temperature fluctuating between 47.8°F (8.8°C) and 67.6°F (19.8°C). The high-temperature average in March for Sierra Madre is a still refreshing 67.6°F (19.8°C), staying closely aligned with February's conditions. Weather in March »Weather in April
April in Sierra Madre, California, is an agreeable spring month, with an average temperature varying between 50.5°F (10.3°C) and 72°F (22.2°C). In April, Sierra Madre's weather conditions record an average high-temperature of an agreeable 72°F (22.2°C), demonstrating little divergence from the preceding month. Weather in April »Weather in May
May, the last month of the spring in Sierra Madre, is a moderately hot month, with an average temperature ranging between min 53.8°F (12.1°C) and max 75.4°F (24.1°C). May's arrival brings an average high-temperature of a moderately hot 75.4°F (24.1°C), slightly deviating from April's 72°F (22.2°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Sierra Madre, California, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 57.7°F (14.3°C). The start of June signals a slight increase in the average high-temperature, moving from a moderately hot 75.4°F (24.1°C) in May to a still warm 81.3°F (27.4°C). Weather in June »Weather in July
July in Sierra Madre, California, is a hot summer month, with an average temperature varying between 86.5°F (30.3°C) and 63.5°F (17.5°C). Sierra Madre experiences a transition to a hot 86.5°F (30.3°C) in average high-temperatures with the arrival of July, not greatly differing from June's 81.3°F (27.4°C). Weather in July »Weather in August
August, the last month of the summer in Sierra Madre, is also a hot month, with an average temperature fluctuating between 64.8°F (18.2°C) and 88.2°F (31.2°C). The highest temperatures are recorded in August, with averages reaching a high of 88.2°F (31.2°C) and a low of 64.8°F (18.2°C). In August, the heat index is calculated to be a tropical 91.4°F (33°C). Weather in August »Weather in September
September, the first month of the autumn in Sierra Madre, is still a warm month, with an average temperature varying between 63.1°F (17.3°C) and 85.3°F (29.6°C). With the arrival of September, Sierra Madre's average high-temperature registers at a warm 85.3°F (29.6°C), indicating a subtle variation from the previous month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Sierra Madre, California, with an average temperature fluctuating between 58.1°F (14.5°C) and 78.3°F (25.7°C). October's arrival subtly correlates with a reduction in the average high-temperature, down from 85.3°F (29.6°C) in September to a still warm 78.3°F (25.7°C). Weather in October »Weather in November
November, the last month of the autumn in Sierra Madre, is another pleasant month, with an average temperature varying between 52.5°F (11.4°C) and 70.2°F (21.2°C). The transition into November is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 78.3°F (25.7°C) in October to a pleasant 70.2°F (21.2°C). Weather in November »Weather in December
December, the first month of the winter in Sierra Madre, is still a refreshing month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 62.1°F (16.7°C). December, with an average high of 62.1°F (16.7°C) and a low of 46.2°F (7.9°C), signifies the coldest month of the year. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sierra Madre, CA
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (62.1°F).
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure
Sierra Madre, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Sierra Madre, CA
- Average wind speed in January:
5.4mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.6mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
Sierra Madre, CA
The months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall
Sierra Madre, CA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.46" - Average rainfall in March:
0.91" - Average rainfall in April:
0.59" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.16" - Average rainfall in September:
0.16" - Average rainfall in October:
0.24" - Average rainfall in November:
0.75" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Sierra Madre, CA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
5.3 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
2.9 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight / Average sunshine
Sierra Madre, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 54min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 54min - Average sunshine in April:
11h and 24min - Average sunshine in May:
11h and 42min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days
Sierra Madre, CA
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
22 days - Average sunshine days in March:
24.3 days - Average sunshine days in April:
24.2 days - Average sunshine days in May:
25.7 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
26.2 days - Average sunshine days in September:
25.2 days - Average sunshine days in October:
26.9 days - Average sunshine days in November:
25.6 days - Average sunshine days in December:
23.8 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (22 days).
Average UV index
Sierra Madre, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Sierra Madre, CA
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Sierra Madre, 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).





