Honk Kong Observatory recorded over 350mm on August 5th 2025, the previous record of 334mm was from 1982.
7 August 2025
Hong Kong has wettest August Day since 1884
Category: Official Source
New Japan Maximum Temperature Recorded
Japan recorded a new maximum temperature on 5th August of 41 degrees centigrade.
6 July 2025
Vistula River levels – Warsaw, Poland.
Warsaw: 5th July. Record-low water level in the Vistula. The river gauge at the Boulevards station, as well as those upstream and downstream of Warsaw, are below historical minimums. The record for the Boulevards station was broken after the previous low level record in September 2024, 10 months prior. IPGW (National Meteorology and Hydrology organisation) spokesperson Grzegorz Walijewski advised that the level of just 19cm has been recorded with the river able to be crossed on foot in some locations. The photo shows the Vistula at the location of the Southern Bridge. ( Photo: X @PStrzalkowski)
29 June 2025
West Virginia Flash floods
Intense rainfall on the 14th June led to 9 fatalities after 100mm (4 inches) of rain fell in 40 minutes near the town of Wheeling.
San Antonio Flash Floods
Rainfall on the 12th June in the suburbs of San Antonio, Texas led to 13 fatalities after slow moving storms led to rainfall totals of up to 18mm in 5 minutes, and 175mm in 2 hours. (photo:KABBFOX29 on X)
31 May 2025 | Data: Bureau of Meteorology
Katherine NT May rainfall
Rainfall in the 24 hours to 9am on the 28th May 2025 measured 184mm, surpassing the previous maximum by almost 3 times from a record of 148 years in duration. Only 23 days have been observed in May at this station with rainfall greater than 10mm.
7 April 2025 | Bureau of Meteorology
Albany, Western Australia, Rainfall Record
A 24 hour rainfall total of 126.4mm was observed at Albany, Western Australia on 14th March, the highest in a record going back to 1877. This is only the third occasion in the record that daily totals have exceeded 100mm, with 113.6mm in 2008, and 103.6mm in 1921. The record has substantial gaps however. The rainfall was caused by a microburst.
| UK Met Office
England has sunniest March since records commenced
With 185.8 hours of sunshine throughout March, England enjoyed 59% more sunshine than its long-term meteorological average, making March 2025 its sunniest March since this series began in 1910, beating the previous record of 171.7 hours recorded in March 1929 by more than 14 hours. (UK Met Office)
1 March 2025 | Royal Meteorological Society, 2025 Vol 99, No. 9.
Finland measures Hurricane Force winds for the first time
On 1 November 2024, the 10min average wind speed at Rauma Kylmapihlaja, Finland, reached 33.5 m/s and was the highest wind speed ever recorded in the country, excluding mountain stations. According to the Finish Meteorological Institute, it was the first occasion when the 10min average wind speed reached Level 12 on the Beaufort scale, indicating hurricane-force winds (≥32.7m/s).
The highest wind gust, 39.6m/s surpassed the previous 2019 record of 32.5 m/s
9 February 2025
Hong Kong extreme heat days series updated
Data from the Hong Kong Observatory for 2024 shows the number of extreme heat days (>35C) was 2 in 2025. Source: Hong Kong Observatory.
6 February 2025
2025 – Hottest January on Record
January 2025 globally was 0.09 degrees Celsius (0.16 degrees Fahrenheit) warmer than January 2024, the previous hottest January, and was 1.75 C (3.15 F) warmer than it was before industrial times, Copernicus calculated. (Source BBC)
9 January 2025
December 2024 – Australia Sea Surface Temperatures record
In the Australian region, December 2024 SSTs were the warmest on record for the month
12 December 2024
November 2024 – Australia Sea Surface Temperatures record
In the Australian region, November 2024 SSTs were the warmest on record for the month.
14 August 2024
Dry July in Belgium
August 1st, 2024. The head of forecasting at the Belgian Royal Meteorological Institute advised that there had only been 5 days of rain in Brussels in July 2024, the lowest for 137 years. The observation site at Uccle, in the southern suburbs of Brussels has been collecting data since 1833. Lower numbers of rain days were were observed in 1885 (2 days),1869 (4 days) and 1835 (4 days). The Belgian drought comes 3 years after the wettest July on record at the site.
1 August 2024
Vermont Flooding
30th July, 2024. Around 8 inches of rain fell in 5 hours in the Northeast Kingdom (Essex, Orleans, and Caledonia counties), causing major infrastructure damage with homes carried away by the flood. The 24 hour state record for Vermont remains 9.92 inches (252mm) from a 1999 event. Observer data from St Johnsbury cited 4.99 inches in 1 day as the local record from 1913. Data from the National Weather Service shows totals of 7.81 inches (198mm) in 5 hours, 4.38 inches (111mm) in 2 hours. Multiple media sites suggest this event correlates to a 1:1000 annual chance (unverified). Significant rain and floods had occurred in the area earlier in July from Hurricane Beryl resulting in greater runoff.
31 July 2024
Typhoon Gaemi
July 29th, 2024. Multiple locations in Kaohsiung City County, Taiwan received over 1300mm rainfall in 24 hours during Typhoon Gaemi with event totals of around 1900mm over 3 days.
25 July 2024
Hottest Day
July 21st, 22nd and 23rd this year all exceeded the previous 2023 record for global temperature with 22nd setting the new record in data going back to 1980.
17 July 2024
Intense Rainfall for Toronto
16th July, 2024. Environment Canada confirm over 4 inches, (100mm) fell in the City in about 2.5 hours during the morning of Tuesday 16th, making it the 5th wettest day at Pearson Airport. Intensities of 30mm in 30 minutes were observed in the city, caused by training thunderstorms. This followed storms on the afternoon of 15th. The Don Valley area saw the greatest impact, largely related to road flooding. The Don Valley had a significant population living close to the watercourse until Hurricane Hazel in 1954, after which the homes were expropriated and land used for an expressway and parkland.
3 July 2024
Switzerland – Rhone River Records
June 30th, 2024. The Rhone River exceeded peak height records at multiple locations above Lake Geneva, in Valais Canton. The peak discharge at Reckingen was 32% greater than any previous rated discharge in 101 years of available record, commencing 1903. Stations at Sion (108 year record) , Branson (83 year record) and Brig (59 year record) also exceeded previous record flood peaks.
25 June 2024
Minnesota Partial Dam Failure
June 25th, 2024. Southern Minnesota. Rapidan Dam partially failed with water eroding the left abutment during a flood event . The dam was built in 1910 for hydroelectricity by impounding the Blue Earth River, but ceased energy production in 2019 following flood damage. Ice damage also occurred in 2020. The 87 ft (26.5 metres) high dam dam has a catchment of 2430 square miles, or 6239 Km2.