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The average temperature in Fronteiras over the whole year is 26°C. October is the hottest month, with highs of about 32°C; July is the coldest, with lows of about 20°C. The rainy (wet) season in Fronteiras runs from December to April, peaking in February with a 22% chance of rain on a given day. The dry season is May to November; August is the driest month, at 1%. Winds in Fronteiras are highest in July, averaging 2.1 m/s (8 km/h), and lightest in April, at 1.1 m/s (4 km/h). The prevailing wind is from the E. The clearest skies in Fronteiras come in September, when the sky is typically 33% covered; January is the cloudiest month, at 65%.
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 29°C | 23°C | 31°C | 20% | 65% | 1.5 m/s | 13 | 66 | 1 |
| February | 28°C | 22°C | 31°C | 22% | 61% | 1.4 m/s | 14 | 71 | 1 |
| March | 28°C | 22°C | 31°C | 18% | 65% | 1.2 m/s | 11 | 67 | 1 |
| April | 28°C | 22°C | 31°C | 19% | 56% | 1.1 m/s | 19 | 67 | 3 |
| May | 29°C | 21°C | 31°C | 8% | 53% | 1.3 m/s | 17 | 66 | 3 |
| June | 28°C | 21°C | 30°C | 8% | 46% | 1.8 m/s | 35 | 69 | 6 |
| July | 28°C | 20°C | 29°C | 3% | 41% | 2.1 m/s | 41 | 69 | 12 |
| August | 30°C | 21°C | 30°C | 1% | 34% | 2.1 m/s | 31 | 58 | 9 |
| September | 31°C | 22°C | 32°C | 2% | 33% | 2.1 m/s | 19 | 59 | 4 |
| October | 32°C | 24°C | 34°C | 8% | 39% | 1.9 m/s | 11 | 49 | 2 |
| November | 32°C | 24°C | 33°C | 10% | 53% | 2.0 m/s | 8 | 55 | 1 |
| December | 31°C | 24°C | 32°C | 16% | 56% | 1.9 m/s | 9 | 57 | 1 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Year round, Fronteiras has days of about 28°C at their warmest in April, its coolest month, and 32°C in October, its warmest; the coolest hours of the day run from 20°C to 24°C through the year, and the average temperature over the year is 26°C around the clock. Rain is most likely around February and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Winter in Fronteiras has typical daily highs of about 29°C and lows of about 21°C, with a 4% chance of rain on a given day.
Spring in Fronteiras has typical daily highs of about 32°C and lows of about 23°C, with a 7% chance of rain on a given day.
Summer in Fronteiras has typical daily highs of about 29°C and lows of about 23°C, with a 19% chance of rain on a given day.
Autumn in Fronteiras has typical daily highs of about 28°C and lows of about 22°C, with a 15% chance of rain on a given day.
The rainy (wet) season in Fronteiras runs from December to April, peaking in February with a 22% chance of rain on a given day. The dry season is May to November; August is the driest month, at 1%.
Winds in Fronteiras are highest in July, averaging 2.1 m/s (8 km/h), and lightest in April, at 1.1 m/s (4 km/h). The prevailing wind is from the E.
The average temperature in Fronteiras over the whole year is 26°C. October is the hottest month, with highs of about 32°C; July is the coldest, with lows of about 20°C.