Climate and monthly weather forecastHelendale, CA
Climate and monthly weather forecast
Weather in January
January in Helendale, California, is a mild winter month, with an average temperature fluctuating between 39.2°F (4°C) and 55.8°F (13.2°C). Shifting into January, Helendale records an average high-temperature of a moderate 55.8°F (13.2°C), presenting minor fluctuations compared to the previous month. Weather in January »Weather in February
February, the last month of the winter in Helendale, is another mild month, with an average temperature fluctuating between 40.6°F (4.8°C) and 57.7°F (14.3°C). February's beginning signals an average high-temperature of a still refreshing 57.7°F (14.3°C), barely different from January's 55.8°F (13.2°C). Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Helendale, California, with an average temperature fluctuating between 63.1°F (17.3°C) and 45°F (7.2°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from a mild 57.7°F (14.3°C) in February to a comfortable 63.1°F (17.3°C). Weather in March »Weather in April
April is a pleasant spring month in Helendale, California, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 69.4°F (20.8°C). The average high-temperature mildly increases in April, edging from a refreshing 63.1°F (17.3°C) in March to a pleasant 69.4°F (20.8°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Helendale, California, with an average temperature varying between 76.5°F (24.7°C) and 53.4°F (11.9°C). Helendale's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 69.4°F (20.8°C) in April to a moderately hot 76.5°F (24.7°C). Weather in May »Weather in June
June, the first month of the summer in Helendale, is a tropical month, with an average temperature fluctuating between 87.8°F (31°C) and 61.5°F (16.4°C). A shift in the average high-temperature is noticeable in June, changing from a moderately hot 76.5°F (24.7°C) in May to a tropical 87.8°F (31°C). Weather in June »Weather in July
July, the same as June, in Helendale, California, is a hot summer month, with an average temperature ranging between min 68°F (20°C) and max 92.1°F (33.4°C). July is the warmest month of the year, registering average temperatures as high as 92.1°F (33.4°C) and as low as 68°F (20°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Helendale, California, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 68.5°F (20.3°C). Transitioning into August, Helendale records an average high-temperature of a still hot 91.9°F (33.3°C), almost identical to July's 92.1°F (33.4°C). Weather in August »Weather in September
September, the first month of the autumn in Helendale, is also a moderately hot month, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 85.8°F (29.9°C). Helendale's September weather shows a modest shift in high-temperatures, falling from August's hot 91.9°F (33.3°C) to a moderately hot 85.8°F (29.9°C). Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Helendale, California, with an average temperature fluctuating between 73.6°F (23.1°C) and 53.1°F (11.7°C). A shift in Helendale's weather is observed as September turns into October, with the average high temperature reducing from a moderately hot 85.8°F (29.9°C) to a still warm 73.6°F (23.1°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Helendale, California, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 63.3°F (17.4°C). Helendale in November demonstrates a small temperature transition, adjusting from an average high of a warm 73.6°F (23.1°C) in October to an enjoyable 63.3°F (17.4°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Helendale, California, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 53.2°F (11.8°C). Helendale's coldest weather arrives in December, when temperatures average a high of 53.2°F (11.8°C) and a low of 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Helendale, CA
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.2°F).
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure
Helendale, CA
- Average pressure in January:
30.11"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:
29.83"Hg
- Average pressure in July:
29.87"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.94"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 (29.83"Hg).
Average wind speed
Helendale, CA
- Average wind speed in January:
6.3mph - Average wind speed in February:
7.7mph - Average wind speed in March:
8.9mph - Average wind speed in April:
10.1mph - Average wind speed in May:
10.3mph - Average wind speed in June:
9.4mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
7.6mph - Average wind speed in September:
7.2mph - Average wind speed in October:
7mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is May (10.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity
Helendale, CA
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (27%).
Average rainfall
Helendale, CA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.63" - Average rainfall in March:
0.43" - Average rainfall in April:
0.51" - Average rainfall in May:
0.08" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.28" - Average rainfall in September:
0.28" - Average rainfall in October:
0.24" - Average rainfall in November:
0.43" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Helendale, CA
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.2 days - Average rainfall days in March:
6 days - Average rainfall days in April:
4.5 days - Average rainfall days in May:
2.1 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
2.9 days - Average rainfall days in September:
2.7 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
2.9 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).
Average snowfall
Helendale, CA
The month with the highest snowfall is November (1.73").
The months with the least snowfall are March, May, June, July, August, September and October (0").
Average snowfall days
Helendale, CA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Helendale, CA
- Average daylight in January:
10h and 6min - 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 30min
- 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 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
7h and 12min - Average sunshine in March:
9h and 6min - Average sunshine in April:
11h and 30min - Average sunshine in May:
11h and 54min - Average sunshine in June:
12h and 6min
- 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 54min - Average sunshine in November:
7h and 24min - Average sunshine in December:
7h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average sunshine days
Helendale, CA
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
22.4 days - Average sunshine days in March:
25 days - Average sunshine days in April:
25.3 days - Average sunshine days in May:
28.1 days - Average sunshine days in June:
28.9 days
- Average sunshine days in July:
24.1 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
25.9 days - Average sunshine days in October:
27.2 days - Average sunshine days in November:
25.9 days - Average sunshine days in December:
24.6 days
The month with the most sunshine days is June (28.9 days).
The month with the least sunshine days is February (22.4 days).
Average UV index
Helendale, CA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Helendale, CA
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 5).
Average visibility
Helendale, 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).





