Climate of Mecca: Difference between revisions
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|Nov record low C = 16.4 |
|Nov record low C = 16.4 |
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|Dec record low C = 12.4 |
|Dec record low C = 12.4 |
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|precipitation colour = green |
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|Jan precipitation mm = 20.8 |
|Jan precipitation mm = 20.8 |
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|Feb precipitation mm = 3.0 |
|Feb precipitation mm = 3.0 |
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Revision as of 01:31, 6 June 2020
21°25′0″N 39°49′0″E / 21.41667°N 39.81667°E
Makkah features a hot desert climate. Makkah retains its hot temperature in winter, which can range from 18 °C (64 °F) at night to 30 °C (86 °F) in the day. Summer temperatures are extremely hot, often being over 40 °C (104 °F) during the day, dropping to 30 °C (86 °F) at night.[1] Rain usually falls in Mecca in small amounts between November and January. The rainfall, as scant as it is, also presents the threat of flooding and has been a danger since the earliest times. According to Al-Kurdī, there had been 89 historic floods by 1965, including several in the period. In the last century the most severe one occurred in 1941. Since then, dams have been constructed to ameliorate the problem.
| Climate data for Makkah | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 37.8 (100.0) |
38.3 (100.9) |
42.4 (108.3) |
44.7 (112.5) |
49.4 (120.9) |
51.4 (124.5) |
49.8 (121.6) |
49.7 (121.5) |
49.4 (120.9) |
47.0 (116.6) |
41.2 (106.2) |
39.4 (102.9) |
51.4 (124.5) |
| Mean daily maximum °C (°F) | 30.5 (86.9) |
31.7 (89.1) |
34.9 (94.8) |
38.7 (101.7) |
42.0 (107.6) |
43.8 (110.8) |
43.0 (109.4) |
42.8 (109.0) |
42.8 (109.0) |
40.1 (104.2) |
35.2 (95.4) |
32.0 (89.6) |
38.1 (100.6) |
| Daily mean °C (°F) | 24.0 (75.2) |
24.7 (76.5) |
27.3 (81.1) |
31.0 (87.8) |
34.3 (93.7) |
35.8 (96.4) |
35.9 (96.6) |
35.7 (96.3) |
35.0 (95.0) |
32.2 (90.0) |
28.4 (83.1) |
25.6 (78.1) |
30.8 (87.5) |
| Mean daily minimum °C (°F) | 18.8 (65.8) |
19.1 (66.4) |
21.1 (70.0) |
24.5 (76.1) |
27.6 (81.7) |
28.6 (83.5) |
29.1 (84.4) |
29.5 (85.1) |
28.9 (84.0) |
25.9 (78.6) |
23.0 (73.4) |
20.3 (68.5) |
24.7 (76.5) |
| Record low °C (°F) | 11.0 (51.8) |
10.0 (50.0) |
13.0 (55.4) |
15.6 (60.1) |
20.3 (68.5) |
22.0 (71.6) |
23.4 (74.1) |
23.4 (74.1) |
22.0 (71.6) |
18.0 (64.4) |
16.4 (61.5) |
12.4 (54.3) |
10.0 (50.0) |
| Average precipitation mm (inches) | 20.8 (0.82) |
3.0 (0.12) |
5.5 (0.22) |
10.3 (0.41) |
1.2 (0.05) |
0.0 (0.0) |
1.4 (0.06) |
5.0 (0.20) |
5.4 (0.21) |
14.5 (0.57) |
22.6 (0.89) |
22.1 (0.87) |
111.8 (4.42) |
| Average precipitation days | 4.0 | 0.9 | 1.8 | 1.8 | 0.7 | 0.0 | 0.3 | 1.5 | 2.0 | 1.9 | 3.9 | 3.6 | 22.4 |
| Average relative humidity (%) | 58 | 54 | 48 | 43 | 36 | 33 | 34 | 39 | 45 | 50 | 58 | 59 | 46 |
| Mean daily sunshine hours | 8.4 | 8.7 | 9.1 | 9.4 | 9.8 | 10.7 | 10.1 | 9.6 | 9.4 | 9.7 | 8.8 | 8.0 | 9.3 |
| Percent possible sunshine | 76 | 80 | 76 | 72 | 75 | 82 | 78 | 74 | 78 | 81 | 80 | 73 | 77 |
| Source 1: Jeddah Regional Climate Center[2] | |||||||||||||
| Source 2: Deutscher Wetterdienst (sun, 1986–2000)[3] | |||||||||||||
| Climate data for Mecca | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily daylight hours | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.1 |
| Average Ultraviolet index | 7 | 9 | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 10 | 8 | 7 | 9.8 |
| Source: Weather Atlas [4] | |||||||||||||
Factors
Mecca is at an elevation of 277 m above sea level, and approximately 80 km inland from the Red Sea.[1] Flash floods are common during winter season even though the amount of precipitation is low. Since Mecca is located in a desert, dust storms are common in the city.
- Shamal winds occur in Mecca mostly during summer months, these Shamal winds are very dusty and remain at peak in the morning but decreases at night. These winds also occur in winter but not often.[5]
- Sandstorms and Dust storms both affect Mecca almost every month but especially during summer months.[6]
- Westerly winds bring thunderstorms to Mecca during winter and hailstorms sometimes also occur.[7]
Extreme weather events
Since Mecca is located in a low-lying region, it is threatened by seasonal flash floods despite the low amount of annual precipitation. There are less than 110 millimetres (4.3 in) of rainfall during the year, mainly falling in the winter months. Temperatures are high throughout the year and in summer it may reach 45 °C (113 °F).[8] The following are extreme weather events in Mecca and the surrounding area.
- In November 2009, Makkah Province was badly affected when record-breaking rainfall of 90 millimetres (3.5 in) hit the province causing flash floods all over the province. It was the worst flood in 27 years.[9]
- In November 2010, a thunderstorm killed 3 people in Makkah city following heavy rainfall. Most of the city remained under flood warning the entire night.[10]
- In December 2010, once again the city was flooded when light to moderate intensity rainfall battered the holy city, claiming the lives of 4 people. While condition in Makkah Province was also comparable to the provincial capital.[11][12]
- In January 2011, heavy rainfall created flood like situation in the provinces especially Jeddah where 111 millimetres (4.4 in) occurred in just 3 hours killing four people.[13][14]
- On may 8,2014 rainfall of more than 50mm created flood like situation with extreme lightning .
References
- ^ a b MECCA WEATHER AND TEMPERATURE actual five ten fifteen day ecast
- ^ "Climate Data for Saudi Arabia". Jeddah Regional Climate Center. Archived from the original on May 12, 2012. Retrieved October 29, 2015.
- ^ "Klimatafel von Mekka (al-Makkah) / Saudi-Arabien" (PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Retrieved January 25, 2016.
- ^ "Mecca, Saudi Arabia - Climate data". Weather Atlas. Retrieved 16 March 2017.
- ^ The Gulf War and the environment - Google Books
- ^ Earth Snapshot • dust storm n peninsula march
- ^ "Pilgrims rush as hail storm hits Mina valley". Archived from the original on 2015-04-16. Retrieved 2019-11-11.
- ^ Mecca ( ) :: Climate - Britannica Online Encyclopedia
- ^ Gazette - Flooding kills 12 in Jeddah, Thousands of pilgrims stranded on highway[permanent dead link]
- ^ Thunderstorm kills three in Mecca
- ^ http://arabnews.com//article226865.ece
- ^ http://arabnews.com//article226856.ece
- ^ MSNBC[dead link]
- ^ http://arabnews.com// article244126.ece