Climate and monthly weather forecastHighland, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Highland, California, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 59.9°F (15.5°C). With the onset of January, a modest change to a still mild 59.9°F (15.5°C) from December's 57.7°F (14.3°C) is noted in high-temperature. Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Highland, California, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 59.9°F (15.5°C). The weather during February hits a high-temperature average of a still mild 59.9°F (15.5°C), identical to the previous month. Weather in February »Weather in March
March, the first month of the spring in Highland, is a refreshing month, with an average temperature ranging between max 64°F (17.8°C) and min 44.1°F (6.7°C). The transition into March marks the average high-temperature at a comfortable 64°F (17.8°C), differing minimally from February's 59.9°F (15.5°C). Weather in March »Weather in April
April is an agreeable spring month in Highland, California, with an average temperature ranging between min 47.5°F (8.6°C) and max 69.4°F (20.8°C). As April arrives, Highland's weather shows a minor increase in high-temperatures, edging from March's comfortable 64°F (17.8°C) to a pleasant 69.4°F (20.8°C). Weather in April »Weather in May
May, the last month of the spring in Highland, is a moderately hot month, with an average temperature ranging between min 52.2°F (11.2°C) and max 75.7°F (24.3°C). With the onset of May, Highland's weather sees a minor temperature rise, transitioning from an agreeable 69.4°F (20.8°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Highland, California, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 58.6°F (14.8°C). Highland sees an increase in the average high-temperature with the arrival of June, moving from May's warm 75.7°F (24.3°C) to a still moderately hot 85.1°F (29.5°C). Weather in June »Weather in July
July is a tropical summer month in Highland, California, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 90.7°F (32.6°C). The start of July is characterized by a subtle increase in the average high-temperature, transitioning from a moderately hot 85.1°F (29.5°C) in June to a tropical 90.7°F (32.6°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Highland, California, with an average temperature fluctuating between 90.9°F (32.7°C) and 66.6°F (19.2°C). August, with average temperatures reaching a high of 90.9°F (32.7°C) and a low of 66.6°F (19.2°C), is the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Highland, is still a warm month, with an average temperature varying between 85.8°F (29.9°C) and 62.4°F (16.9°C). September experiences an average high-temperature of a moderately hot 85.8°F (29.9°C), barely different from August's 90.9°F (32.7°C). Weather in September »Weather in October
October, like September, in Highland, California, is a moderately hot autumn month, with an average temperature fluctuating between 54.7°F (12.6°C) and 75.9°F (24.4°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 85.8°F (29.9°C) to a still warm 75.9°F (24.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Highland, California, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 66.6°F (19.2°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a moderately hot 75.9°F (24.4°C) in October to a refreshing 66.6°F (19.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Highland, California, with an average temperature ranging between max 57.7°F (14.3°C) and min 41.5°F (5.3°C). Highland notes the coldest temperatures in December, with a high average of 57.7°F (14.3°C) and a low of 41.5°F (5.3°C). Weather in December »Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Highland, California, during the entire year, the rain falls for 51.8 days and collects up to 6.69" (170mm) of precipitation.
January, March through December are months without snowfall.
Throughout the year, in Highland, there are 0.1 snowfall days.
With an average relative humidity of 52%, February is the most humid month.
The only month with snowfall is February.
The month with the most snowfall days in Highland is February, when snow falls for 0.1 days.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
June is the month with the least rainfall in Highland. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
With an average of 14h and 24min of daylight, June has the longest days of the year in Highland.
The month with the most sunshine in Highland, California, is July, with an average of 12.2h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 7.
Temperature records in Highland, California, mark August as the warmest month, with highs averaging 90.9°F (32.7°C) and lows at 66.6°F (19.2°C).
The least humid month is August, with an average relative humidity of 36%.
November and December, with an average maximum UV index of 3, are months with the lowest UV index.
Highland's December weather, marked by an average high temperature of 57.7°F (14.3°C) and an average low temperature of 41.5°F (5.3°C), is the coldest in the year.
The month with the most rainfall in Highland is December, when the rain falls for 6.8 days and typically aggregates up to 1.42" (36mm) of precipitation.
The month with the shortest days in Highland is December, with an average of 9h and 54min of daylight.
December has the least sunshine of the year in Highland, California, with an average of 6.9h of sunshine.
Average temperature
Highland, CA
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure
Highland, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.87"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.86"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Highland, CA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5.6mph - Average wind speed in March:
6mph - Average wind speed in April:
6.6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.4mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity
Highland, CA
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall
Highland, CA
- Average rainfall in January:
0.87" - Average rainfall in February:
1.34" - Average rainfall in March:
0.71" - Average rainfall in April:
0.75" - 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:
0.12" - Average rainfall in October:
0.16" - Average rainfall in November:
0.67" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Highland, CA
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
6.2 days - Average rainfall days in May:
4.1 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2.1 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days
Highland, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Highland, 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:
7h and 6min - Average sunshine in February:
7h and 0min - Average sunshine in March:
8h and 54min - Average sunshine in April:
11h and 24min - Average sunshine in May:
11h and 54min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
9h and 0min - 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 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Highland, CA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
20.9 days - Average sunshine days in March:
22.7 days - Average sunshine days in April:
22.9 days - Average sunshine days in May:
25.1 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
25.7 days - Average sunshine days in October:
27.3 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index
Highland, CA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover
Highland, CA
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Highland, 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).
