Warmest month
- New York City
- July · 24.54 °C
- Siem Reap
- April · 29.67 °C
New York City (USA) vs Siem Reap (Cambodia): Temperature, Rainfall and Sunshine
Reference period: New York City 2013–2023 · Siem Reap 2013–2023
Siem Reap (Cambodia) has a higher monthly mean temperature than New York City (USA) in every month of the year.
Key monthly differences
Coolest month
- New York City
- January · -0.23 °C
- Siem Reap
- December · 25.39 °C
Driest month
- New York City
- January · 2.14 mm/day
- Siem Reap
- January · 0.57 mm/day
Sunniest month
- New York City
- July · 11.45 hours/day
- Siem Reap
- March · 10.82 hours/day
Choose another comparison
Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 3.35 °C (July); the largest is 27.08 °C (February).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 24.77 °C in New York City (USA) and 4.28 °C in Siem Reap (Cambodia). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Which location has more rainfall?
New York City (USA) has a higher daily rainfall average in 4 months and Siem Reap (Cambodia) in 8; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Which location has more sunshine?
New York City (USA) has more average sunshine hours per day in 4 months and Siem Reap (Cambodia) in 8; 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: Siem Reap (Cambodia) minus New York City (USA)
Temperature °C
| Month | New York City | Siem Reap | +/- |
|---|---|---|---|
| Jan | −0.23 | 26.00 | +26.24 |
| Feb | 0.33 | 27.41 | +27.08 |
| Mar | 3.97 | 29.54 | +25.57 |
| Apr | 10.07 | 29.67 | +19.60 |
| May | 15.79 | 29.40 | +13.61 |
| Jun | 20.92 | 28.62 | +7.70 |
| Jul | 24.54 | 27.88 | +3.35 |
| Aug | 23.53 | 27.74 | +4.21 |
| Sep | 20.07 | 26.99 | +6.91 |
| Oct | 14.25 | 26.60 | +12.35 |
| Nov | 7.20 | 26.56 | +19.36 |
| Dec | 3.25 | 25.39 | +22.14 |
| Annual mean | 11.97 | 27.65 | +15.68 |
Average sunshine (hours/day)
| Month | New York City | Siem Reap | +/- |
|---|---|---|---|
| Jan | 5.78 | 10.01 | +4.23 |
| Feb | 6.49 | 10.48 | +3.99 |
| Mar | 7.82 | 10.82 | +3.00 |
| Apr | 8.73 | 10.57 | +1.85 |
| May | 9.65 | 10.31 | +0.66 |
| Jun | 10.96 | 9.38 | −1.58 |
| Jul | 11.45 | 8.26 | −3.19 |
| Aug | 10.38 | 8.26 | −2.12 |
| Sep | 8.99 | 7.61 | −1.38 |
| Oct | 7.13 | 8.55 | +1.42 |
| Nov | 6.65 | 9.39 | +2.74 |
| Dec | 5.20 | 9.50 | +4.30 |
| Annual mean | 8.27 | 9.43 | +1.16 |
Average daily rainfall (mm/day)
| Month | New York City | Siem Reap | +/- |
|---|---|---|---|
| Jan | 2.14 | 0.57 | −1.58 |
| Feb | 2.23 | 0.72 | −1.51 |
| Mar | 2.28 | 1.47 | −0.81 |
| Apr | 3.32 | 3.75 | +0.43 |
| May | 2.96 | 5.73 | +2.78 |
| Jun | 3.47 | 5.19 | +1.72 |
| Jul | 4.40 | 6.31 | +1.90 |
| Aug | 3.10 | 6.64 | +3.54 |
| Sep | 3.76 | 10.30 | +6.54 |
| Oct | 4.10 | 8.12 | +4.02 |
| Nov | 2.50 | 3.29 | +0.79 |
| Dec | 3.41 | 0.86 | −2.55 |
| Annual mean | 3.14 | 4.41 | +1.27 |
Snow (mm)
| Month | New York City | Siem Reap | +/- |
|---|---|---|---|
| Jan | 4.81 | 0.00 | −4.81 |
| Feb | 8.50 | 0.00 | −8.50 |
| Mar | 6.10 | 0.00 | −6.10 |
| Apr | 0.39 | 0.00 | −0.39 |
| May | 0.01 | 0.00 | −0.01 |
| 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 | 0.71 | 0.00 | −0.71 |
| Dec | 2.52 | 0.00 | −2.52 |
| Annual mean | 1.92 | 0.00 | −1.92 |
