Air temperature, hot days, tropical nights and icing days - Cities in Collier
Collier: Air temperature, hot days, tropical nights and icing days - Cities was 1.63 Degrees celsius in 2025. ◆ Volatile
Air temperature, hot days, tropical nights and icing days - Cities in Collier, 1981–2025
Source: Organisation for Economic Co-operation and Development. Measured in Degrees celsius.
Analysis
Collier recorded 1.63 Degrees celsius for air temperature, hot days, tropical nights and icing days - cities in 2025. That is the highest value across all 45 years on record.
The figure is up 137.5% on the previous year and up 11.7% over ten years.
Over the whole period, air temperature, hot days, tropical nights and icing days - cities in Collier peaked at 1.63 Degrees celsius in 2025 and was at its lowest, -0.8957 Degrees celsius, in 2010.
That places Collier 447th out of 1314 regions with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Air temperature, hot days, tropical nights and icing days - Cities in Collier, year by year
| Year | Degrees celsius | Change |
|---|---|---|
| 1981 | -0.3028 Degrees celsius | — |
| 1982 | 0.177 Degrees celsius | -158.5% |
| 1983 | -0.8577 Degrees celsius | -584.6% |
| 1984 | -0.7723 Degrees celsius | -10.0% |
| 1985 | -0.27 Degrees celsius | -65.0% |
| 1986 | -0.0433 Degrees celsius | -84.0% |
| 1987 | -0.3991 Degrees celsius | +820.8% |
| 1988 | -0.1541 Degrees celsius | -61.4% |
| 1989 | 0.4011 Degrees celsius | -360.3% |
| 1990 | 0.9992 Degrees celsius | +149.1% |
| 1991 | 0.4801 Degrees celsius | -51.9% |
| 1992 | -0.215 Degrees celsius | -144.8% |
| 1993 | -0.0535 Degrees celsius | -75.1% |
| 1994 | 0.2529 Degrees celsius | -573.0% |
| 1995 | -0.2143 Degrees celsius | -184.7% |
| 1996 | -0.495 Degrees celsius | +131.0% |
| 1997 | 0.1201 Degrees celsius | -124.3% |
| 1998 | 0.4586 Degrees celsius | +281.9% |
| 1999 | -0.0838 Degrees celsius | -118.3% |
| 2000 | -0.2491 Degrees celsius | +197.2% |
| 2001 | -0.2211 Degrees celsius | -11.3% |
| 2002 | 0.2008 Degrees celsius | -190.8% |
| 2003 | 0.09 Degrees celsius | -55.2% |
| 2004 | 0.1187 Degrees celsius | +31.9% |
| 2005 | 0.0394 Degrees celsius | -66.8% |
| 2006 | 0.414 Degrees celsius | +951.2% |
| 2007 | 0.8502 Degrees celsius | +105.4% |
| 2008 | 0.2512 Degrees celsius | -70.4% |
| 2009 | 0.3736 Degrees celsius | +48.7% |
| 2010 | -0.8957 Degrees celsius | -339.8% |
| 2011 | 0.5987 Degrees celsius | -166.8% |
| 2012 | 0.2726 Degrees celsius | -54.5% |
| 2013 | 0.3755 Degrees celsius | +37.8% |
| 2014 | 0.3064 Degrees celsius | -18.4% |
| 2015 | 1.46 Degrees celsius | +376.8% |
| 2016 | 0.4196 Degrees celsius | -71.3% |
| 2017 | 0.6078 Degrees celsius | +44.9% |
| 2018 | 0.3378 Degrees celsius | -44.4% |
| 2019 | 1.02 Degrees celsius | +202.8% |
| 2020 | 1.01 Degrees celsius | -1.5% |
| 2021 | 0.4903 Degrees celsius | -51.3% |
| 2022 | 0.6251 Degrees celsius | +27.5% |
| 2023 | 1.2 Degrees celsius | +91.8% |
| 2024 | 0.687 Degrees celsius | -42.7% |
| 2025 | 1.63 Degrees celsius | +137.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -0.2468 Degrees celsius | -0.8577 Degrees celsius | 0.4011 Degrees celsius | 9 |
| 1990s | 0.1249 Degrees celsius | -0.495 Degrees celsius | 0.9992 Degrees celsius | 10 |
| 2000s | 0.1868 Degrees celsius | -0.2491 Degrees celsius | 0.8502 Degrees celsius | 10 |
| 2010s | 0.4507 Degrees celsius | -0.8957 Degrees celsius | 1.46 Degrees celsius | 10 |
| 2020s | 0.9401 Degrees celsius | 0.4903 Degrees celsius | 1.63 Degrees celsius | 6 |
More climate change data for Collier
- Air temperature, hot days, tropical nights and icing days - Cities 25.04 Degrees celsius (2025)
- Climate projections by scenario, 2030–2060 – Cities and FUAs 26.83 Degrees celsius (2060)
- Climate projections by scenario, 2030–2060 – Cities and FUAs 1.83 Degrees celsius (2060)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.06 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.48 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.38 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.36 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.01 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 1.16 Tonnes of CO2-equivalent (2024)
- Greenhouse gas emissions - Cities and FUAs — GHG emissions total 2.25 Tonnes of CO2-equivalent (2024)
Frequently asked questions
- What is air temperature, hot days, tropical nights and icing days - cities in Collier?
- Air temperature, hot days, tropical nights and icing days - cities in Collier was 1.63 Degrees celsius in 2025, according to Organisation for Economic Co-operation and Development.
- What is the highest air temperature, hot days, tropical nights and icing days - cities recorded in Collier?
- The highest recorded value was 1.63 Degrees celsius in 2025.
- What is the lowest air temperature, hot days, tropical nights and icing days - cities recorded in Collier?
- The lowest recorded value was -0.8957 Degrees celsius in 2010.
- How does Collier rank for air temperature, hot days, tropical nights and icing days - cities?
- Collier ranks 447th out of 1314 regions with data for 2025.
- Is air temperature, hot days, tropical nights and icing days - cities rising or falling in Collier?
- Over the last ten years it is up 11.7%. The long-run trend across the full record is volatile.
- Where does this Collier data come from?
- The figures come from Organisation for Economic Co-operation and Development, published as part of Air temperature, hot days, tropical nights and icing days - Cities and FUAs — Change in air temperature at 2 meters from 1981–2010 period. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under OECD Terms and Conditions (attribution required).
About this data
This dataset provides indicators of air temperature, hot days, tropical nights and icing days. Data sources and methodology Indicators are estimated using ERA5-Land data. Air temperature indicators correspond to the average annual air temperature at a height of 2 meters. Hot days correspond to the number of days when the maximum temperature exceeds 35°C. Tropical nights correspond to the days when the minimum temperature is above 20°C, and icing days to the number of days when the maximum temperature is below 0°C. ERA5-Land is used as it provides harmonised, globally consistent coverage at fine spatial resolution (0.1 degree), enabling the production of comparable subnational indicators also where national meteorological data are not available at the required scale. These estimates may differ from official subnational climate statistics due to differences in methodological approaches, such as the use of reanalysis based top down modelling versus in situ observations, along with variations in input data sources, spatial resolution, and the models and algorithms used to generate temperature estimates. Defining FUAs and cities The OECD, in cooperation with the EU, has developed a harmonised definition of functional urban areas (FUAs) to capture the economic and functional reach of cities based on daily commuting patterns (OECD, 2012). FUAs consist of: A city – defined by urban centres in the degree of urbanisation, adapted to the closest local administrative units to define a city. A commuting zone – including all local areas where at least 15% of employed residents work in the city. The delineation process includes: Assigning municipalities surrounded by a single FUA to that FUA. Excluding non-contiguous municipalities. The correspondence table between SAUs and FUAs/cities is available in parquet and csv format. The definition identifies 1 272 FUAs and 1 269 cities in all OECD member countries except Costa Rica and three accession countries. Cite this dataset OECD Regions, cities and local areas database (Air temperature, hot days, tropical nights and icing days - FUAs), http://oe.cd/geostats Further information OECD Local Data Portal OECD Regions and Cities at a Glance For questions and/or comments, please email CitiesStat@oecd.org