Weather Browser

Weather Browser is an interactive tool to visually look up and compare detailed weather data. Select a day and Weather Browser visualizes temperature, precipitation, wind speed, wind direction and cloud cover during the 24 hours of the day. It also gives you sunrise and sunset hours.

This Weather Browser gives you access to hourly data for Cairo and Singapore for the 2009-2013 period, with more than half a million observations. Further below you'll find some more visualizations comparing the weather and the climate of both cities.

Read more on the making of the Weather Browser in Introducing the Weather Browser.

How to read



Pick a date



Cairo

Temperature & rainfall

Wind

Cloud cover

Cairo has a hot desert climate, but often with high humidity due to the Nile valley's effects. Wind storms can be frequent, bringing Saharan dust into the city during the months of March and April. Temperature can go as low as 5 °C in winter. In summer, the highs rarely surpass 40 °C, and lows drop to about 20 °C. Rainfall is sparse and only happens in the colder months, but sudden showers do cause harsh flooding.

Singapore

Singapore has a tropical rainforest climate with no distinctive seasons, uniform temperature and pressure, high humidity, and abundant rainfall. Temperatures usually range from 22 to 35 °C. Relative humidity averages around 79% in the morning and 73% in the afternoon. April and May are the hottest months, with the wetter monsoon season from November to January.

Some extremes

Hottest

Cairo

June 21th, 2010, 1pm:
47.1 °C

Coolest temperature that day: 20.7 °C

Singapore

May 7th, 2010, 1pm:
34.2 °C

Coolest temperature that day: 26.1 °C

Coldest

Cairo

February 9th, 2012, 5am: -1.2 °C

2 days in 2009-2013 had sub zero temperatures: this one and January 5th 2009.

Singapore

September 1th, 2010, 6am: 21.6 °C

One of only 3 days where temperature went below 23 °C in 2009-2013.

Wettest

Cairo

January 17th, 2010:
17 mm

Almost half of the total rainfall in Cairo in 2010 fell on this day.

Singapore

December 24th, 2009:
137 mm

On this day Singapore saw more rainfall then Cairo in the whole of 2009-2012.

Some analysis

Temperature

Cairo





Mean temperature year round is lower in Cairo then in Singapore (21 vs. 27 °C). But temperature in Cairo has a much greater variety: daily averages (the donuts in the graphs) vary between 7° and 33.7 °C whereas in Singapore the range of daily temperatures is much smaller (23.7 - 29.3 °C).

Extreme temperatures (inner and outer circles on the graphs) are also much further apart in Cairo then in Singapore. Highest temperature in Cairo during the 2009-2013 time period was 47.1 °C whereas in Singapore this was only 34.2 °C. In Singapore temperature never got under 21.6 °C whereas in Cairo it can even freeze (-1.2 °C).

Singapore

Wind

Cairo





Cairo mostly sees wind coming from the north, with varieties coming from the north east and the north west.

The Singapore wind rose is bimodal, with wind coming from the north east and the south east. This is due to the 2 monsoon seasons that characterize Singapore's climate.

Singapore

Cloud cover

Cairo





Cairo is very sunny: half of the time there are absolutely no clouds in sight. Average cloud cover is 18 percent. Afternoons are slightly more clouded than the rest of the day.

The wet and humid climate of Singapore has a lot more clouds. Half of the time more than 90 % of the sky is covered with clouds and totally covered skies occur more than a quarter of the time. Only 10 days in the 2009-2013 period saw totally clear skies in Singapore.

Singapore