Eric Foner, a professor of history at Columbia University and author of The Fiery Trial: Abraham Lincoln and American Slavery, recommends Donald's book as the best one-volume account of Lincoln's life. [Donald] avoided the two pitfalls that people fall into.
1 The average temperature in Oslo in July is very mild at 16.4 Â°C (61.52 Â°F). 2  Afternoons can be really warm with average high temperatures reaching 22 Â°C (71.6 Â°F).  Overnight temperatures are generally mild with an average low of 13 Â°C (55.4 Â°F).
Averages for Oslo in April. In April, the Norwegian capital prepares for lively events as Easter celebrations get underway. Temperatures are more favourable than in January and February recording a high of 10Â°C (50Â°F), and as the warm weather embraces the city, the winter chills start to fade. The average rainfall is about 43mm and visitors should expect to experience an average of 6 hours of sunshine each day.