Climate and monthly weather forecastSão José dos Campos, Brazil
Climate and monthly weather forecast
The climate of São José dos Campos
Classified under the Köppen climate classification as Cfa, São José dos Campos is characterised by a humid subtropical climate with no dry season. Situated in Brazil, this city has an expansive annual climate pattern with key yet subtle seasonal changes.Average annual high temperature readings range from 21.1°C (70°F) in June to 26.8°C (80.2°F) in February while the low temperatures fluctuate between 12.2°C (54°F) in July and 18.1°C (64.6°F) in January. The warmest months are typically January, February, and December, whereas June, July, and August are noticeably cooler. Rainfall is a year-round occurrence with decline in dryer months is April to September. Annual rainfall spans between 35mm (1.38") in August and 194mm (7.64") in January. One may experience the highest number of rainfall days during the first month, with 26 days of recorded rainfall, while August registers the fewer days with only about 10.1 rainfall days.
Average daylight hours extend from a minimum of 10.7 hours in June to a maximum of 13.6 hours in December. Observably, sunshine duration peaks in August and September with a moderate 8.2 hours, dipping marginally to 7 hours in November, June, and July. The overall humidity in São José dos Campos is consistently high, typically wavering between 77% in September and 89% in March.
The Best Time to Visit São José dos Campos
In overall consideration of climate conditions, the best time to visit São José dos Campos is during the period extending from March to May. During this season, one can experience relatively moderate temperatures ranging from 25.5°C (77.9°F) to 22.1°C (71.8°F), with lower chances of rainfall. The average precipitation levels in these months are between 112mm (4.41") and 39mm (1.54"), reducing the potential for travel disruptions caused by rain. Furthermore, daylight hours in these months are reasonable, ranging from 12.2 hours in March to 11 hours in May.The Worst Time to Visit São José dos Campos
Travelers might find the conditions between January and February slightly challenging. During this period, the region experiences the highest precipitation levels with recorded rainfall volumes of 194mm (7.64") in January and 150mm (5.91") in February. Additionally, this period has comparatively high temperatures with a month's high recording between 26.3°C (79.3°F) and 26.8°C (80.2°F).Spring Weather in São José dos Campos
In São José dos Campos, spring extends from September to November. The weather is characterized by moderate temperatures from 23.2°C (73.8°F) to 25.1°C (77.2°F) and considerably reduced rainfall levels. September sees the lowest average rainfall volume at 54mm (2.13"), gradually increasing to 104mm (4.09") in November. The average sunshine hours are satisfactory, gradually dropping from 8.2 hours in September to 7 hours in November.Summer Weather in São José dos Campos
During the summer months of December through February, São José dos Campos experiences the warmest temperatures, ranging from 25.7°C (78.3°F) to 26.8°C (80.2°F). Surprisingly, these months also see high precipitation levels, increasing to 194mm (7.64") in January. Sunshine hours are consistently around 7 hours, and daylight extends up to 13.4 hours in December, the longest in the year.Autumn Weather in São José dos Campos
The autumn months — March, April, and May— ushers in a cool-down period after the summer peak. Temperatures drop from 25.5°C (77.9°F) in March to 22.1°C (71.8°F) in May. Correspondingly, rainfall volume declines from 112mm (4.41") in March to 39mm (1.54") in May. The reduction in rainfall and balmy weather makes autumn a reasonable season for visitors, with adequate daylight hours ranging from 12.2 hours in March to 11 hours in May.Winter Weather in São José dos Campos
Winter season comes between June and August, and it presents the coolest climate in the city. Temperatures drop to a yearly low of 21.1°C (70°F) in June. The months of July and August experience a slight increase in temperature up to 21.7°C (71.1°F) and 23.2°C (73.8°F) respectively. To visitors’ comfort, these winter months register the lowest rainfall volumes from 37mm (1.46") to 38mm (1.5") and also have the longest sunshine hours extending to 8.1 hours in August. The coolest weather combined with the longest sunshine duration makes winter in São José dos Campos enjoyable for visitors, despite the lower temperature.Weather in January
January in São José dos Campos, Brazil, initiates the calendar with considerable humidity and rainfall, with an average of 194mm (7.64") spread across 26 days. It is one of the warmer months although it slightly trails the next months in temperature metrics. Weather in January »Weather in February
February marks a slight drop in temperatures compared to January, both in highs and lows. The climate remains humid but there's a significant decrease in precipitation with rainfall reducing to 150mm (5.91"). Consequent to reduced rainfall, there are fewer unsettled weather days, yet, the clouds tend to be rather pervasive. Weather in February »Weather in March
The weather in March sees an overall shift towards lower temperatures and drier conditions. The precipitation drops to 112mm (4.41"), which indicates fewer days of rainfall. Despite this, March is marked by an increase in relative humidity. Weather in March »Weather in April
Entering April, São José dos Campos experiences further reduction in temperatures, dipping to a low of 15.3°C (59.5°F), making it a significantly cooler month. The city witnesses lesser rainfall with only 67mm (2.64") occurring over 17.9 days. Weather in April »Weather in May
With the arrival of May, temperatures continue a downward trajectory with average high and low temperatures settling around 22.1°C (71.8°F) and 13.2°C (55.8°F) respectively. The amount of precipitation declines further and settles to 39mm (1.54") across 15.8 days. Weather in May »Weather in June
Climate conditions in June showcase some of the lowest temperatures with a high of 21.1°C (70°F) and a low of 12.3°C (54.1°F). The amount of rainfall is consistent with May but spread over fewer days at 12.4. June sees the least cloud cover of the year and better visibility, promoting outdoor activities. Weather in June »Weather in July
July hosts a slight increase in average high temperatures compared to those in June while the lows remain relatively unchanged. Rainfall continues its reducing trend, and the number of rainy days further decreases to 11.8. Interestingly, this month also exhibits an increase in daily sunshine duration, coupled with clear visibility and fewer clouds. Weather in July »Weather in August
August in São José dos Campos exhibits a general upward trend in temperatures from the previous month. Rainfall stays relatively regular at 35mm (1.38"). Throughout the month, the percentage of cloud cover decreases leading to an increase in the number of sunshine days. Weather in August »Weather in September
September sees an uptick in rainfall to 54mm (2.13") over 15.5 days, indicating a return of wet weather. The temperatures ascend even further, marking the beginning of warm weather. Despite the increased precipitation, the visibility remains good and the scenery is laced with relatively clear skies. Weather in September »Weather in October
October accompanies increased temperatures with a rise in both the highs and lows from September. Unfortunately, this month also witnesses increased rainfall and a consequent surge in relative humidity. The sunlight duration decreases slightly but the UV indices remain elevated, signalling the need for sun protection. Weather in October »Weather in November
The weather in November presents temperatures marginally lower than those in October, leading to slightly cooler days. Rainfall further escalates, indicating the persistence of wet conditions. The increase in cloud cover reduces visibility slightly, yet good visibility persists. Weather in November »Weather in December
December in São José dos Campos reveals a slight climb in temperature compared to November. Rainfall remains high and is spread over 24.9 days, and the average relative humidity stays high as well. The length of daylight and sunshine hours get a boost, making it a good time for outdoor activities. Weather in December »Updated: Jun 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the most rainfall is January, when the rain falls for 26 days and typically aggregates up to 194mm (7.64") of precipitation.
Throughout the year, there are 222.3 rainfall days, and 1036mm (40.79") of precipitation is accumulated.
January and October, with an average maximum UV index of 6, are months with the highest UV index.
The average temperatures reach their apex in February, averaging 26.8°C (80.2°F) at the high end and 17.8°C (64°F) at the low end.
The months with the lowest UV index are February through September, November and December, with an average maximum UV index of 5.
With an average relative humidity of 89%, March is the most humid month.
April and November, with an average of 7h of sunshine, are months with the least sunshine.
June, on average, is the coldest month, registering a high temperature of 21.1°C (70°F) and a low of 12.3°C (54.1°F).
The month with the shortest days in São José dos Campos is June, with an average of 10h and 42min of daylight.
August and September, with an average relative humidity of 77%, are the least humid months in São José dos Campos.
August is the month with the least rainfall. Rain falls for 10.1 days and accumulates 35mm (1.38") of precipitation.
The month with the most sunshine in São José dos Campos is September, with an average of 8.2h of sunshine.
December has the longest days of the year, with an average of 13h and 30min of daylight.
São José dos Campos does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
São José dos Campos, Brazil
The warmest month (with the highest average high temperature) is February (26.8°C).
The month with the lowest average high temperature is June (21.1°C).
The month with the highest average low temperature is January (18.1°C).
The coldest month (with the lowest average low temperature) is July (12.2°C).
Average pressure
São José dos Campos, Brazil
- Average pressure in January:
1013mbar - Average pressure in February:
1013.2mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1016.1mbar - Average pressure in May:
1017.8mbar - Average pressure in June:
1019.7mbar
- Average pressure in July:
1020.4mbar - Average pressure in August:
1019.8mbar - Average pressure in September:
1017.4mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1013mbar - Average pressure in December:
1012.1mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed
São José dos Campos, Brazil
- Average wind speed in January:
6.3km/h - Average wind speed in February:
6.1km/h - Average wind speed in March:
6.3km/h - Average wind speed in April:
6.2km/h - Average wind speed in May:
6.4km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
6.7km/h - Average wind speed in August:
7.1km/h - Average wind speed in September:
7.3km/h - Average wind speed in October:
7.5km/h - Average wind speed in November:
7.5km/h - Average wind speed in December:
6.8km/h
The windiest months (with the highest average wind speed) are October and November (7.5km/h).
The calmest month (with the lowest average wind speed) is February (6.1km/h).
Average humidity
São José dos Campos, Brazil
The month with the highest relative humidity is March (89%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall
São José dos Campos, Brazil
- Average rainfall in January:
194mm - Average rainfall in February:
150mm - Average rainfall in March:
112mm - Average rainfall in April:
67mm - Average rainfall in May:
39mm - Average rainfall in June:
37mm
The wettest month (with the highest rainfall) is January (194mm).
The driest month (with the least rainfall) is August (35mm).
Average rainfall days
São José dos Campos, Brazil
- Average rainfall days in January:
26 days - Average rainfall days in February:
23.5 days - Average rainfall days in March:
24.7 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
19.5 days - Average rainfall days in November:
20.2 days - Average rainfall days in December:
24.9 days
The month with the highest number of rainy days is January (26 days).
The month with the least rainy days is August (10.1 days).
Average daylight / Average sunshine
São José dos Campos, Brazil
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
11h and 0min - Average daylight in June:
10h and 42min
- Average daylight in July:
10h and 54min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 12min - Average daylight in December:
13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 12min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 30min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
8h and 6min - Average sunshine in August:
8h and 6min - Average sunshine in September:
8h and 12min - Average sunshine in October:
7h and 30min - Average sunshine in November:
7h and 0min - Average sunshine in December:
7h and 12min
The month with the most sunshine is September (Average sunshine: 8h and 12min).
The months with the least sunshine are April and November (Average sunshine: 7h and 0min).
Average sunshine days
São José dos Campos, Brazil
- Average sunshine days in January:
4 days - Average sunshine days in February:
3.2 days - Average sunshine days in March:
5.3 days - Average sunshine days in April:
9 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
17.5 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
9.7 days - Average sunshine days in November:
8.2 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is August (17.5 days).
The month with the least sunshine days is February (3.2 days).
Average UV index
São José dos Campos, Brazil
The months with the highest UV index are January and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover
São José dos Campos, Brazil
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
São José dos Campos, Brazil
The months with the highest visibility are July, August, September and October (8km).
The months with the lowest visibility are March, April and May (6km).
