Warmest month
- Istanbul
- August · 25.37 °C
- Manuel Antonio
- March · 26.81 °C
Istanbul (Türkiye) vs Manuel Antonio (Costa Rica): Temperature, Rainfall and Sunshine
Reference period: Istanbul 2013–2023 · Manuel Antonio 2013–2023
Across the 12 monthly averages, Istanbul (Türkiye) is warmer in 1 months and Manuel Antonio (Costa Rica) in 11; 0 months are equal at the displayed precision.
Key monthly differences
Coolest month
- Istanbul
- January · 6.76 °C
- Manuel Antonio
- November · 24.58 °C
Driest month
- Istanbul
- August · 0.51 mm/day
- Manuel Antonio
- February · 1.40 mm/day
Sunniest month
- Istanbul
- July · 13.27 hours/day
- Manuel Antonio
- March · 10.88 hours/day
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Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 0.34 °C (July, August); the largest is 18.79 °C (February).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 18.61 °C in Istanbul (Türkiye) and 2.23 °C in Manuel Antonio (Costa Rica). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Which location has more rainfall?
Istanbul (Türkiye) has a higher daily rainfall average in 2 months and Manuel Antonio (Costa Rica) in 10; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Which location has more sunshine?
Istanbul (Türkiye) has more average sunshine hours per day in 7 months and Manuel Antonio (Costa Rica) in 5; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.
Climate data notes
Show data and calculation
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.
Mean of the 12 monthly averages
Monthly climate data
Difference: Manuel Antonio (Costa Rica) minus Istanbul (Türkiye)
Temperature °C
| Month | Istanbul | Manuel Antonio | +/- |
|---|---|---|---|
| Jan | 6.76 | 25.53 | +18.77 |
| Feb | 7.56 | 26.35 | +18.79 |
| Mar | 8.80 | 26.81 | +18.01 |
| Apr | 12.24 | 26.30 | +14.06 |
| May | 17.35 | 25.67 | +8.32 |
| Jun | 21.86 | 25.27 | +3.42 |
| Jul | 24.72 | 25.06 | +0.34 |
| Aug | 25.37 | 25.03 | −0.34 |
| Sep | 21.84 | 24.97 | +3.13 |
| Oct | 16.77 | 24.63 | +7.86 |
| Nov | 13.25 | 24.58 | +11.33 |
| Dec | 8.94 | 25.10 | +16.16 |
| Annual mean | 15.45 | 25.44 | +9.99 |
Average sunshine (hours/day)
| Month | Istanbul | Manuel Antonio | +/- |
|---|---|---|---|
| Jan | 5.41 | 10.28 | +4.87 |
| Feb | 6.61 | 10.76 | +4.15 |
| Mar | 7.64 | 10.88 | +3.24 |
| Apr | 10.07 | 9.83 | −0.24 |
| May | 11.58 | 7.93 | −3.65 |
| Jun | 12.84 | 7.26 | −5.58 |
| Jul | 13.27 | 6.97 | −6.30 |
| Aug | 12.13 | 7.06 | −5.07 |
| Sep | 10.56 | 7.37 | −3.20 |
| Oct | 7.97 | 6.61 | −1.36 |
| Nov | 6.52 | 7.51 | +0.99 |
| Dec | 5.46 | 9.82 | +4.36 |
| Annual mean | 9.17 | 8.52 | −0.65 |
Average daily rainfall (mm/day)
| Month | Istanbul | Manuel Antonio | +/- |
|---|---|---|---|
| Jan | 2.75 | 3.00 | +0.26 |
| Feb | 2.27 | 1.40 | −0.87 |
| Mar | 2.41 | 2.28 | −0.13 |
| Apr | 1.70 | 7.89 | +6.19 |
| May | 1.52 | 21.71 | +20.19 |
| Jun | 1.49 | 21.43 | +19.94 |
| Jul | 0.70 | 23.46 | +22.76 |
| Aug | 0.51 | 28.16 | +27.65 |
| Sep | 1.56 | 22.85 | +21.29 |
| Oct | 2.07 | 31.80 | +29.73 |
| Nov | 2.68 | 22.82 | +20.15 |
| Dec | 2.51 | 7.56 | +5.05 |
| Annual mean | 1.85 | 16.20 | +14.35 |
Snow (mm)
| Month | Istanbul | Manuel Antonio | +/- |
|---|---|---|---|
| Jan | 3.78 | 0.00 | −3.78 |
| Feb | 2.13 | 0.00 | −2.13 |
| Mar | 0.43 | 0.00 | −0.43 |
| 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 | 0.06 | 0.00 | −0.06 |
| Dec | 1.20 | 0.00 | −1.20 |
| Annual mean | 0.63 | 0.00 | −0.63 |
