Climate averages 1991–2020
Casa Nova weather
in May.
A hot, very dry month: the 9th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Casa Nova: daytime highs average 31.3°C and nights cool to about 22.5°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 10 mm of rain on roughly 2 days, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average May day.
The nearest other city in this atlas is Petrolina (58 km away). In May its highs average 31.0°C, about as warm as Casa Nova, with 10 mm of rain.
Among the 448 cities listed in Brazil, Casa Nova ranks 7th of 448 for the warmest May highs and joint 4th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Casa Nova is 6.0°C warmer than that mean.
From May to June, average highs fall by 1.2°C to 30.1°C, and monthly rainfall falls from 10 mm to 2.4 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Casa Nova climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.3°C23.7°C | 23.7°C | 97 | 10.4 | 12.613 h |
| February | 31.9°C23.5°C | 23.5°C | 82 | 11.1 | 12.412 h |
| March | 31.8°C23.6°C | 23.6°C | 96 | 11.9 | 12.212 h |
| April | 31.8°C23.3°C | 23.3°C | 43 | 7.4 | 11.912 h |
| May, selected | 31.3°C22.5°C | 22.5°C | 10 | 2.3 | 11.712 h |
| June | 30.1°C21.3°C | 21.3°C | 2.4 | 0.4 | 11.612 h |
| July | 29.7°C20.3°C | 20.3°C | 2.2 | 0.2 | 11.612 h |
| August | 30.7°C20.1°C | 20.1°C | 0.7 | 0.1 | 11.812 h |
| September | 32.8°C21.2°C | 21.2°C | 1.0 | 0.1 | 12.012 h |
| October | 34.2°C22.8°C | 22.8°C | 9.5 | 1.5 | 12.312 h |
| November | 33.8°C23.7°C | 23.7°C | 34 | 4.5 | 12.513 h |
| December | 33.2°C24.0°C | 24.0°C | 56 | 6.9 | 12.613 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Petrolina in MayBrazil · 58 kmHigh 31.0°C · Low 21.8°C · 10 mm rain
- Campo Formoso in MayBrazil · 165 kmHigh 26.4°C · Low 19.5°C · 58 mm rain
- Senhor do Bonfim in MayBrazil · 167 kmHigh 26.3°C · Low 19.3°C · 58 mm rain
- Araripina in MayBrazil · 185 kmHigh 28.3°C · Low 20.3°C · 37 mm rain
- Jacobina in MayBrazil · 229 kmHigh 26.5°C · Low 19.9°C · 49 mm rain
- Picos in MayBrazil · 239 kmHigh 32.5°C · Low 23.8°C · 30 mm rain
- Irecê in MayBrazil · 256 kmHigh 28.7°C · Low 19.4°C · 11 mm rain
- Crato in MayBrazil · 276 kmHigh 29.6°C · Low 21.8°C · 44 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Casa Nova) is explained once on the Casa Nova year overview and on the Sources, method and limits page.