10 strokes
                                                    
                        Jouyou kanji
            Taught in 2nd grade
    
                                                    JLPT exam level N4
                                            summer
Kun'yomi
な つ summer 
On'yomi
カ Xia dynasty (of China; ca. 2070-1600 BCE; possibly mythological) ガ ゲ summer (on the lunisolar calendar: 16th day of the 4th month to the 15th day of the 7th month) 
Character Breakdown
References
| Unicode hex code | 590F | 
| JIS X 0208 | 1-18-38 | 
| Nelson, A. Classic Nelson | 58 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 1120 | 
| Halpern, J. New Japanese-English Character Dictionary | 2113 | 
| Halpern, J. Kodansha Kanji Dictionary | 2619 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 1339 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1815 | 
| Heisig, J. Remembering The Kanji | 296 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 317 | 
| Gakken A New Dictionary of Kanji Usage | 580 | 
| O'Neill, P.G. Japanese Names | 1161 | 
| O'Neill, P.G. Essential Kanji | 163 | 
| Morohashi Daikanwajiten | 5720 | 
| Henshall, K. A Guide To Remembering Japanese Characters | 82 | 
| Spahn and Hadamitzky Kanji and Kana | 461 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 469 | 
| Sakade, F. A Guide To Reading and Writing Japanese | 52 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 148 | 
| Henshall & De Groot A Guide To Reading and Writing Japanese, 3rd ed. | 88 | 
| Kask, A. Tuttle Kanji Cards | 188 | 
| Nishiguchi & Kono Kanji in Context | 97 | 
| AJLT Japanese For Busy People vols I-III | 3.10 | 
| Kodansha Kodansha Compact Kanji Guide | 402 | 
| Maniette, Y. Les Kanjis dans la tete | 302 | 
| Tuttle Dictionary Descriptor Code | 4i7.5 | 
| Four corner code | 1024.7 | 
| De Roo Code | 3167 |