Dubai is 9.6°C (17.3°F) warmer by day, Dubai has 22.7°C (40.9°F) warmer nights, Seattle gets 1,122 mm (44.2 in) more rain a year.
Dubai is at its warmest in August and coolest in February, while Seattle peaks in July and bottoms out in December. Month for month, Dubai is the warmer of the two in 12 of 12 months.
Seattle is the wetter of the two, collecting 1,255 mm (49.4 in) of rain a year against 133 mm (5.2 in) in Dubai. The most comfortable time to visit is January, February and March in Dubai and June, July and August in Seattle.
| Dubai | Metric | Seattle |
|---|---|---|
| 🌡️ Temperature | ||
| 31.1°C | 🌡️Average daytime high | 21.5°C |
| 24.7°C | 🌙Average nighttime low | 2°C |
| August | 🔥Hottest month | July |
| February | ❄️Coldest month | December |
| 🌧️ Rain | ||
| 133 mm | 🌧️Annual rainfall | 1,255 mm |
| January | ☔Wettest month | November |
| September | 🏜️Driest month | July |
| 💨 Climate | ||
| 69% | 💧Average humidity | 83% |
| 3.5 m/s | 💨Average wind speed | 0.7 m/s |
Overnight, Dubai typically falls to around 24.7°C (76.5°F) while Seattle settles near 2°C (35.6°F).
Dubai is hottest in August and coldest in February, whereas Seattle peaks in July and is coolest in December.
Dubai sees the most rain in January and the least in September; Seattle is wettest in November and driest in July.
Seattle feels the more humid of the two, averaging 83% relative humidity against 69%.
For Seattle, the pick of the year is June, July and August.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Dubai | Seattle | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 18.5 | 21.4❄️ | 24.2 | -4.3 | 3.9 | 12.1 |
| February | 18.3 | 21.5 | 24.8 | -4 | 4.8 | 13.6 |
| March | 19.5 | 23.3 | 27 | -1.2 | 8 | 17.2 |
| April | 22 | 25.7 | 29.4 | 1 | 11.5 | 22.1 |
| May | 25.2 | 28.9 | 32.6 | 3.7 | 14.8 | 26 |
| June | 28.3 | 31.5 | 34.7 | 6.7 | 17.5 | 28.3 |
| July | 30 | 33.5 | 37 | 9.5 | 19.9 | 30.3 |
| August | 31.1 | 34.2🔥 | 37.2 | 9.8 | 20🔥 | 30.2 |
| September | 30.3 | 33 | 35.7 | 6.9 | 17.5 | 28.1 |
| October | 28.1 | 30.8 | 33.5 | 2 | 12.3 | 22.5 |
| November | 24.4 | 27.4 | 30.5 | -2 | 6.8 | 15.5 |
| December | 20.5 | 23.7 | 26.8 | -4.5 | 3.7❄️ | 12 |
| Annual Avg | 24.7 | 27.9 | 31.1 | 2 | 11.7 | 21.5 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Dubai and Seattle feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Dubai Seattle
See how Dubai and Seattle stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Dubai and Seattle — each drawn straight from the climate figures above.
Dubai is the warmer of the two. It averages daytime highs of 31.1°C (88°F) against 21.5°C (70.7°F) in Seattle — roughly 9.6°C (17.3°F) warmer by day. Nights are milder in Dubai, with average lows of 24.7°C (76.5°F) versus 2°C (35.6°F).
Dubai is hottest in August, averaging highs of about 37.2°C (99°F), while Seattle peaks in July at around 30.3°C (86.5°F). That makes Dubai the hotter of the two at the height of summer.
Seattle gets colder. In its coldest month (December) overnight lows average about -4.5°C (23.8°F), compared with 18.3°C (64.9°F) at the low point of the year in Dubai.
Seattle is the wetter city, collecting about 1,255 mm (49.4 in) of rain a year versus 133 mm (5.2 in) in Dubai. Dubai is wettest in January and driest in September; Seattle is wettest in November and driest in July.
Seattle is the more humid of the two, averaging 83% relative humidity over the year against 69% in Dubai.
The most comfortable months in Dubai are January, February and March, when average temperatures are at their mildest.
Seattle is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Dubai is the warmer city in all 12 months of the year. The gap is widest in November, about 20.6°C (37.1°F), and narrowest in July, about 13.6°C (24.5°F).
Seattle has the bigger seasonal swing, about 16.3°C (29.3°F) between its coldest and hottest months versus 12.8°C (23°F) in Dubai — so Dubai has the steadier, more even climate.
On climate alone, Dubai comes out ahead — it offers warmer days, less rain and lower humidity than Seattle. Seattle is the better fit only if you'd actually prefer cooler weather, more rainfall and a more humid climate.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Dubai and Seattle, not a single year's weather or a short-range forecast.
