National City, CA weather and climate in 2026
Day
20 °C
Night
10 °C
Sea
15 °C
Precipitation
55 mm
in month
Rainy days
6 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
66 %
Day
20 °C
Night
10 °C
Sea
15 °C
Precipitation
55 mm
in month
Rainy days
6 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
66 %
Overview: National City, CA
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Weather overview for National City, CA
Weather overview
National City, CA (United States of America) is a place with a tropical climate. The day temperatures range from 20 °C (67 °F) in December to 27 °C (80 °F) in August. The least rainy month in National City, CA is August with its 0 days of rain, the rainiest month is January, when it rains 6 days. The highest night temperatures could be experienced in August with 19 °C (66 °F), the lowest in December with 9 °C (48 °F).
January weather
The number of rainy days is on its maximum, with its value of 6 days in National City, CA, while the rainfall amount continues to rise, with its value being 48 mm (1.89 in). The humidity reaches its minimum in January.
February weather
The night temperature rise's start could be observed, the value of this measure is 10 °C (50 °F) in National City, CA. The number of sun hours (without clouds) rise's start could be observed in February. The rainfall amount reaches its maximum, with its value of 55 mm (2.15 in).
March weather
The day temperature rise's start could be observed, with its value of 20 °C (69 °F) in National City, CA, while the night temperature rises similarly to the previous month, with its value being 11 °C (52 °F). The beginning of the descent of the rainfall amount could be noticed, with its value being 46 mm (1.79 in). The number of sun hours (without clouds) rises similarly to the previous month, with its value of 8 hours.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.April weather
The day temperature rises similarly to the previous month, the value of this measure is 22 °C (71 °F) in National City, CA. The number of rainy days descent's start could be observed, the value of this measure is 3 days, while the rainfall amount continues to descent, with its value being 19 mm (0.76 in). The tourist season slowly starts, and the dry season slowly starts too. The rise of the number of sun hours (without clouds) can be observed, its value is 9 hours.
May weather
The tourist season is taking place in May in National City, CA. The number of rainy days descents similarly to the previous month, with its value being 1 day, and the rainfall amount descents similarly to the previous month as well, the value of this measure is 4 mm (0.14 in). The night temperature rises similarly to the previous month, the value of this measure is 15 °C (59 °F), and the rise of the day temperature can be observed too, with its value being 22 °C (72 °F). The number of sun hours (without clouds) descent's start could be observed in this month.
June weather
The tourist season is taking place in National City, CA, and the dry season continues as well. The day temperature continues to rise, and the rise of the night temperature can be observed as well. The number of rainy days continues to descent, the value of this measure is 0 days. The day length reaches its maximum, its value is 14 hours.
July weather
The day temperature continues to rise, its value is 26 °C (78 °F) in National City, CA. The minimum of the rainfall amount can be noticed, with its value of 1 mm (0.03 in). The ongoing tourist season is noticeable. The wind speed is on its maximum, the value of this measure is 3. The humidity reaches its maximum in this month. The maximum of the number of sun hours (without clouds) can be noticed, its value is 10 hours.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.August weather
The day temperature reaches its maximum in National City, CA, and the maximum of the night temperature is observable as well in this month. The number of rainy days is on its minimum, its value is 0 days. The dry season is close to its peak, and the tourist season is close to its peak too in August. The number of sun hours (without clouds) starts to descent in this month.
September weather
The number of rainy days starts to rise in this month in National City, CA. The tourist season is close to its peak, and there is pending dry season too. The descent of the number of sun hours (without clouds) can be observed, its value is 9 hours. The night temperature starts to descent, the value of this measure is 18 °C (64 °F).
October weather
The day temperature starts to descent, its value is 25 °C (77 °F) in National City, CA, while the night temperature descents similarly to the previous month. The rise of the number of rainy days can be observed, its value is 2 days, while the beginning of the rise of the rainfall amount could be noticed, with its value being 10 mm (0.40 in). The tourist season is taking place. The descent of the number of sun hours (without clouds) can be observed, the value of this measure is 8 hours.
November weather
The descent of the day temperature can be observed, the value of this measure is 23 °C (73 °F) in National City, CA, and the night temperature descents similarly to the previous month as well, its value is 12 °C (53 °F). The rise of the rainfall amount can be observed, with its value of 27 mm (1.06 in), and the number of rainy days continues to rise as well, with its value of 4 days. The number of sun hours (without clouds) continues to descent, with its value being 8 hours.
December weather
The number of rainy days rises similarly to the previous month, with its value being 5 days in National City, CA, and the rainfall amount continues to rise too, its value is 39 mm (1.52 in). The minimum of the day temperature is observable, its value is 20 °C (67 °F), and the minimum of the night temperature can be noticed as well, its value is 9 °C (48 °F). The number of sun hours (without clouds) is on its minimum in this month. The minimum of the wind speed is observable, the value of this measure is 3.
FAQs
How windy is National City, CA in February?
An average wind scale that can be expected in National City, CA in February is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
What level of humidity is to expect in March in National City, CA?
Humidity in National City, CA in March is 67 %.
Is April part of the dry season in National City, CA?
Yes, there is a dry season in April in National City, CA with just 3 days during the month being rainy.
What is the air temperature in May in National City, CA at night?
The average night temperature in National City, CA in May is 15 °C (59 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold. This value is 2 °C (36 °F) higher than last month.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.How many days of precipitation on average can I expect in National City, CA in June?
In June in National City, CA, we can expect 0 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.1 days of the week, or in general - 1 % days. In absolute terms, the decrease compared to the last month is 1 day. That means a 75 % decrease in the value.
Is it hot in National City, CA in July?
In National City, CA in July, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Are there good conditions to visit in August in National City, CA?
August is one of the best months to visit National City, CA. The daily temperatures in this month reach pleasant 27 °C (80 °F). At night, temperatures hover around a pleasant 19 °C (66 °F). There are only 0 days of rain in the whole month, so you can leave your umbrella at home. A sea temperature of 21 °C (69 °F) can seem colder to some, but others will call it refreshing.
What temperature can I expect during the day in September in National City, CA?
The average daily temperature in National City, CA in September is 27 °C (80 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
What is the sea temperature in National City, CA in October?
The sea will reach 19 °C (66 °F) in National City, CA in October. At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions. The value is lower by 1 °C (34 °F) than in the previous month.
How many sunny hours can I expect in November in National City, CA?
In National City, CA in November, you can expect around 8 hours of sunshine.
Is there a wet season in December in National City, CA?
No, there is no wet season in December in National City, CA - you can expect 5 days of rain during the month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.