Castelar Climate and Weather Patterns
Castelar experiences a dynamic climate characterized by distinct seasonal shifts in temperature and precipitation. Based on data collected between 1991 and 2020, with extreme records dating back to 1961, the region exhibits a temperate profile with warm summers and cool winters.
The weather is influenced by varying levels of humidity and sunshine throughout the year, creating a cycle that affects everything from local agriculture to daily living. Understanding these patterns provides a clear picture of what to expect across the different months of the year.
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Key Facts
- Annual Precipitation: The area receives an average of 1,057.2 mm (41.62 inches) of rainfall per year.
- Temperature Extremes: The record high is 42.6°C (108.7°F), while the record low is −6.3°C (20.7°F).
- Sunshine: The region enjoys an average of 2,575.6 total sunshine hours annually.
- Humidity: Average relative humidity peaks in May at 82.3% and is lowest in December at 66.6%.
- Winter Lows: The lowest mean daily minimum occurs in July at 5.4°C (41.7°F).
Temperature Trends
Castelar's temperature fluctuates significantly between the summer and winter months. The mean daily maximum reaches its peak in January at 29.9°C (85.8°F), while the coolest period occurs in July, where the mean daily maximum drops to 15.1°C (59.2°F).
Seasonal Extremes
The region has seen significant temperature spikes, with the highest recorded temperature of 42.6°C (108.7°F) occurring in January. Conversely, the coldest recorded temperature was −6.3°C (20.7°F) in June, highlighting the potential for freezing conditions during the winter solstice period.
Precipitation and Humidity
Rainfall is distributed throughout the year, though there are noticeable variations. The wettest months typically occur in October (114.1 mm) and February (112.3 mm). The driest period is observed in June, which averages only 49.7 mm of precipitation.
Relative humidity—the amount of water vapor present in air expressed as a percentage of the amount needed for saturation—tends to be higher during the cooler months. May is the most humid month, averaging 82.3%, while December is the driest at 66.6%.
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Sunshine and Daylight
Sunshine hours vary according to the season. December and January are the brightest months, with January averaging 9.4 mean daily sunshine hours. In contrast, June is the darkest month, averaging 4.8 hours of daily sunshine.
The percentage of possible sunshine is highest in January (70%) and lowest in June (46%), reflecting the seasonal tilt of the Earth and local cloud cover patterns.
Climate Summary Table
| Metric | Annual Average / Total | Highest Monthly Mean | Lowest Monthly Mean |
|---|---|---|---|
| Daily Mean Temperature | 17.0°C (62.6°F) | 23.9°C (Jan) | 9.9°C (Jul) |
| Precipitation | 1,057.2 mm (41.62 in) | 114.1 mm (Oct) | 49.7 mm (Jun) |
| Relative Humidity | 74.7% | 82.3% (May) | 66.6% (Dec) |
| Daily Sunshine Hours | 7.0 hours | 9.4 hours (Jan) | 4.8 hours (Jun) |
Frequently Asked Questions
What is the hottest month in Castelar?
January is the hottest month, with a mean daily maximum of 29.9°C (85.8°F) and the all-time record high of 42.6°C (108.7°F).
When does Castelar receive the most rain?
The highest average precipitation occurs in October, with 114.1 mm (4.49 inches) of rainfall.
Does it snow in Castelar?
Snow is extremely rare. Data indicates average snowy days are near zero, with minor occurrences (0.1 days) noted in February and April.
Which month is the most humid?
May is the most humid month of the year, with an average relative humidity of 82.3%.
What is the coldest temperature ever recorded in Castelar?
The record low temperature is −6.3°C (20.7°F), which was recorded in June.