Warmest months (mean temperature) (°C)
- Avarua
- March: 26.34
- The Bottom
- September: 26.49
Avarua (Cook Islands) vs The Bottom (Bonaire, Sint Eustatius and Saba): Temperature, Rainfall and Sunshine
Across the 12 monthly averages, Avarua (Cook Islands) is warmer in 5 months and The Bottom (Bonaire, Sint Eustatius and Saba) in 7; 0 months are equal at the displayed precision.
Key monthly differences
Coolest months (mean temperature) (°C)
- Avarua
- August: 22.59
- The Bottom
- February: 23.71
Months with the lowest daily rainfall average (mm/day)
- Avarua
- September: 2.36
- The Bottom
- March: 0.66
Months with the most daily sunshine (hours/day)
- Avarua
- November: 10.55
- The Bottom
- June: 11.67
Compare the climate of two locations
Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 0.19 °C (May); the largest is 3.73 °C (August).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 3.75 °C in Avarua (Cook Islands) and 2.78 °C in The Bottom (Bonaire, Sint Eustatius and Saba). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Which location has more rainfall?
Avarua (Cook Islands) has a higher daily rainfall average in 9 months and The Bottom (Bonaire, Sint Eustatius and Saba) in 3; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Which location has more sunshine?
Avarua (Cook Islands) has more average sunshine hours per day in 2 months and The Bottom (Bonaire, Sint Eustatius and Saba) in 10; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.
Data and measurement guide
Daily values are averaged separately for each calendar month over the saved reference period. Temperatures are daily means, not daytime highs. Rainfall is an average daily amount, not a monthly total; sunshine is average hours per day. These historical averages are not a weather forecast. Each location’s reference period is listed below and may differ.
- Avarua (Cook Islands) — Reference period: 2013–2023
- The Bottom (Bonaire, Sint Eustatius and Saba) — Reference period: 2013–2023
Monthly climate data
Difference: The Bottom (Bonaire, Sint Eustatius and Saba) minus Avarua (Cook Islands)
Temperature °C
| Month | Avarua | The Bottom | +/- |
|---|---|---|---|
| Jan | 25.86 | 23.98 | -1.87 |
| Feb | 26.16 | 23.71 | -2.45 |
| Mar | 26.34 | 23.76 | -2.58 |
| Apr | 25.67 | 24.20 | -1.47 |
| May | 24.81 | 25.01 | 0.19 |
| Jun | 23.83 | 25.71 | 1.87 |
| Jul | 23.04 | 25.98 | 2.94 |
| Aug | 22.59 | 26.32 | 3.73 |
| Sep | 22.90 | 26.49 | 3.60 |
| Oct | 23.20 | 26.24 | 3.04 |
| Nov | 24.04 | 25.58 | 1.54 |
| Dec | 25.10 | 24.77 | -0.33 |
| ⌀ Month | 24.46 | 25.15 | 0.68 |
Average sunshine (hours/day)
| Month | Avarua | The Bottom | +/- |
|---|---|---|---|
| Jan | 10.27 | 10.40 | 0.13 |
| Feb | 10.15 | 10.79 | 0.65 |
| Mar | 9.75 | 11.06 | 1.31 |
| Apr | 9.37 | 11.46 | 2.08 |
| May | 8.72 | 11.49 | 2.77 |
| Jun | 8.72 | 11.67 | 2.96 |
| Jul | 8.54 | 11.61 | 3.07 |
| Aug | 8.97 | 11.11 | 2.14 |
| Sep | 9.94 | 10.70 | 0.76 |
| Oct | 9.95 | 10.09 | 0.14 |
| Nov | 10.55 | 9.60 | -0.94 |
| Dec | 10.24 | 10.06 | -0.18 |
| ⌀ Month | 9.60 | 10.84 | 1.24 |
Average daily rainfall (mm/day)
| Month | Avarua | The Bottom | +/- |
|---|---|---|---|
| Jan | 8.14 | 0.94 | -7.20 |
| Feb | 6.90 | 0.99 | -5.91 |
| Mar | 7.51 | 0.66 | -6.86 |
| Apr | 4.72 | 1.09 | -3.63 |
| May | 5.11 | 1.76 | -3.35 |
| Jun | 2.68 | 1.17 | -1.51 |
| Jul | 3.27 | 1.72 | -1.55 |
| Aug | 3.01 | 2.81 | -0.20 |
| Sep | 2.36 | 3.71 | 1.34 |
| Oct | 2.99 | 4.03 | 1.04 |
| Nov | 2.93 | 3.28 | 0.35 |
| Dec | 5.54 | 1.45 | -4.09 |
| ⌀ Month | 4.60 | 1.97 | -2.63 |
Snow (mm)
| Month | Avarua | The Bottom | +/- |
|---|---|---|---|
| Jan | 0.00 | 0.00 | 0.00 |
| Feb | 0.00 | 0.00 | 0.00 |
| Mar | 0.00 | 0.00 | 0.00 |
| Apr | 0.00 | 0.00 | 0.00 |
| May | 0.00 | 0.00 | 0.00 |
| Jun | 0.00 | 0.00 | 0.00 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.00 | 0.00 | 0.00 |
| Sep | 0.00 | 0.00 | 0.00 |
| Oct | 0.00 | 0.00 | 0.00 |
| Nov | 0.00 | 0.00 | 0.00 |
| Dec | 0.00 | 0.00 | 0.00 |
| ⌀ Month | 0.00 | 0.00 | 0.00 |
